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What is Surface Tension? | Richard Hammond's Invisible Worlds | Earth Science
How do water striders walk on water? It has to do with the elastic property of the water surface, a phenomenon called surface tension.
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Richard Hammond's Invisible Worlds Ep 1 'Speed Limits': the extraordinary things happening in a few milliseconds, that completely pass us by.
Welcome to BBC Earth Science! Here we answer all your curious questions about science in the world around you (and further afield too). If there’s a question you have that we haven’t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Sc...
published: 22 Nov 2018
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Surface Tension - What is it, how does it form, what properties does it impart
How does surface tension affect the surface properties of a liquid? Looking at surface tension from a particle perspective and a macro perspective, this video shows what causes surface tension, how surface tension is manifested in our everyday lives, and how intermolecular forces are involved in surface tension.
—More on Surface tension | Wikipedia— 1/5/2018:
Surface tension is the elastic tendency of a fluid surface which makes it acquire the least surface area possible. Surface tension allows insects (e.g. water striders), usually denser than water, to float and stride on a water surface.
At liquid–air interfaces, surface tension results from the greater attraction of liquid molecules to each other (due to cohesion) than to the molecules in the air (due to adhesion). The net effect is...
published: 05 Jan 2018
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Surface Tension and Adhesion | Fluids | Physics | Khan Academy
David explains the concepts of surface tension, cohesion, and adhesion.
Watch the next lesson: https://www.khanacademy.org/science/physics/thermodynamics/temp-kinetic-theory-ideal-gas-law/v/thermodynamics-part-1?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/fluids/fluid-dynamics/v/venturi-effect-and-pitot-tubes?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic und...
published: 01 Sep 2014
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Surface Tension of Water, Capillary Action, Cohesive and Adhesive Forces - Work & Potential Energy
This physics video tutorial provides a basic introduction into the surface tension of water. Surface tension prevents small amounts of water from flattening out across a surface. Rather, it causes water to minimize its surface area and as a result, water forms small beadlike droplets. This video also discusses the capillary action of water as it is draw up through small tubes known as capillaries. Surface tension can be calculated by divided the force per unit length required to increase the area of a fluid. The surface tension opposes the force and attempts to minimize the area. The work required to increase the area of a fluid by a force is the surface tension multiplied by the increase in area. This video discusses the difference in the capillary effects between water and mercury...
published: 17 Nov 2017
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Viscosity, Cohesive and Adhesive Forces, Surface Tension, and Capillary Action
Liquids have some very interesting properties, by virtue of the intermolecular forces they make, both between molecules of the liquid and those between the liquid and some other material they are in contact with. Let's learn about viscosity, cohesive and adhesive forces, surface tension, and capillary action.
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
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published: 10 May 2019
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How does Surface Tension work?
published: 07 May 2015
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Teminite & PsoGnar - Surface Tension
Teminite & PsoGnar - Surface Tension
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published: 07 Sep 2017
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Surface Tension of Water Explained
Surface tension in liquid water resists an external force because of cohesive nature (due to hydrogen bonding) of its molecules. Water molecules on the surface of water differ in that they can make fewer hydrogen bonds than water molecules at the center of the liquid. As a result the water molecules are more strongly attracted, and surface tension is present.
Resources:
Hydrogen Bonding Explained: https://youtu.be/aZ8JxFwR_nY
Polar and Non-Polar Molecules Explained: https://youtu.be/OHFGXfWB_r4
Surface tension is a common occurrence and of great biological importance (see https://www.usgs.gov/special-topic/water-science-school/science/surface-tension-and-water?qt-science_center_objects=0#qt-science_center_objects).
You can demonstrate surface tension by floating a paperclip on water (...
published: 23 Jul 2020
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Surface tension | States of matter and intermolecular forces | Chemistry | Khan Academy
Surface tension in water, and how the surface tension is related to hydrogen bonding.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/introduction-to-intermolecular-forces/v/capillary-action-and-why-we-see-a-meniscus?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/introduction-to-intermolecular-forces/v/solubility?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a go...
published: 02 Jul 2015
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7 Science Tricks with Surface Tension
Surface tension holds the surface molecules of liquids tightly together and makes for some fun experiments!
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published: 21 Apr 2015
3:51
What is Surface Tension? | Richard Hammond's Invisible Worlds | Earth Science
How do water striders walk on water? It has to do with the elastic property of the water surface, a phenomenon called surface tension.
Subscribe: http://bit.ly/...
How do water striders walk on water? It has to do with the elastic property of the water surface, a phenomenon called surface tension.
Subscribe: http://bit.ly/SubscribeToEarthLab
Best of Earth Science: http://bit.ly/EarthLabOriginals
Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos
The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHouse
Richard Hammond's Invisible Worlds Ep 1 'Speed Limits': the extraordinary things happening in a few milliseconds, that completely pass us by.
Welcome to BBC Earth Science! Here we answer all your curious questions about science in the world around you (and further afield too). If there’s a question you have that we haven’t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Science experts.
https://wn.com/What_Is_Surface_Tension_|_Richard_Hammond's_Invisible_Worlds_|_Earth_Science
How do water striders walk on water? It has to do with the elastic property of the water surface, a phenomenon called surface tension.
Subscribe: http://bit.ly/SubscribeToEarthLab
Best of Earth Science: http://bit.ly/EarthLabOriginals
Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos
The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHouse
Richard Hammond's Invisible Worlds Ep 1 'Speed Limits': the extraordinary things happening in a few milliseconds, that completely pass us by.
Welcome to BBC Earth Science! Here we answer all your curious questions about science in the world around you (and further afield too). If there’s a question you have that we haven’t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Science experts.
- published: 22 Nov 2018
- views: 699539
3:11
Surface Tension - What is it, how does it form, what properties does it impart
How does surface tension affect the surface properties of a liquid? Looking at surface tension from a particle perspective and a macro perspective, this video s...
How does surface tension affect the surface properties of a liquid? Looking at surface tension from a particle perspective and a macro perspective, this video shows what causes surface tension, how surface tension is manifested in our everyday lives, and how intermolecular forces are involved in surface tension.
—More on Surface tension | Wikipedia— 1/5/2018:
Surface tension is the elastic tendency of a fluid surface which makes it acquire the least surface area possible. Surface tension allows insects (e.g. water striders), usually denser than water, to float and stride on a water surface.
At liquid–air interfaces, surface tension results from the greater attraction of liquid molecules to each other (due to cohesion) than to the molecules in the air (due to adhesion). The net effect is an inward force at its surface that causes the liquid to behave as if its surface were covered with a stretched elastic membrane. Thus, the surface becomes under tension from the imbalanced forces, which is probably where the term "surface tension" came from.[1] Because of the relatively high attraction of water molecules for each other through a web of hydrogen bonds, water has a higher surface tension (72.8 millinewtons per meter at 20 °C) compared to that of most other liquids. Surface tension is an important factor in the phenomenon of capillarity.
Surface tension has the dimension of force per unit length, or of energy per unit area. The two are equivalent, but when referring to energy per unit of area, it is common to use the term surface energy, which is a more general term in the sense that it applies also to solids.
In materials science, surface tension is used for either surface stress or surface free energy.
Water[edit]
Several effects of surface tension can be seen with ordinary water:
Beading of rain water on a waxy surface, such as a leaf. Water adheres weakly to wax and strongly to itself, so water clusters into drops. Surface tension gives them their near-spherical shape, because a sphere has the smallest possible surface area to volume ratio.
Formation of drops occurs when a mass of liquid is stretched. The animation (below) shows water adhering to the faucet gaining mass until it is stretched to a point where the surface tension can no longer keep the drop linked to the faucet. It then separates and surface tension forms the drop into a sphere. If a stream of water was running from the faucet, the stream would break up into drops during its fall. Gravity stretches the stream, then surface tension pinches it into spheres.[3]
Flotation of objects denser than water occurs when the object is nonwettable and its weight is small enough to be borne by the forces arising from surface tension.[2] For example, water striders use surface tension to walk on the surface of a pond in the following way. The nonwettability of the water strider's leg means there is no attraction between molecules of the leg and molecules of the water, so when the leg pushes down on the water, the surface tension of the water only tries to recover its flatness from its deformation due to the leg. This behavior of the water pushes the water strider upward so it can stand on the surface of the water as long as its mass is small enough that the water can support it. The surface of the water behaves like an elastic film: the insect's feet cause indentations in the water's surface, increasing its surface area[4] and tendency of minimization of surface curvature (so area) of the water pushes the insect's feet upward.
Separation of oil and water (in this case, water and liquid wax) is caused by a tension in the surface between dissimilar liquids. This type of surface tension is called "interface tension", but its chemistry is the same.
Tears of wine is the formation of drops and rivulets on the side of a glass containing an alcoholic beverage. Its cause is a complex interaction between the differing surface tensions of water and ethanol; it is induced by a combination of surface tension modification of water by ethanol together with ethanol evaporating faster than water.
Check out other popular CC Academy videos on this channel:
Stoichiometry Tutorial, step by step
Classifying Types of Chemical Reactions
Solution Stoichiometry
Orbitals, the Basics: Atomic Orbitals Tutorial
Hybrid Orbitals Explained
Polar Molecules Tutorial: How to determine polarity in a molecule
Metallic Bonding and Metallic Properties Explained
Covalent Bonding Tutorial
Ionic Bonds, Ionic Compounds: What is an ionic bond and how do ionic compounds form
Electronegativity and bond character (bond type): non-polar covalent, polar, ionic
Metric Unit Prefix Conversions
Metric unit conversions shortcut
Mole Conversions Tutorial
Frequency, Wavelength, and the Speed of Light
The Bohr Model of the Atom and Atomic Emission Spectra
What is Heat
Rutherford's Gold Foil Experiment
Unit Conversion Using Dimensional Analysis Tutorial
What is Fire: Combustion Reaction Tutorial
https://wn.com/Surface_Tension_What_Is_It,_How_Does_It_Form,_What_Properties_Does_It_Impart
How does surface tension affect the surface properties of a liquid? Looking at surface tension from a particle perspective and a macro perspective, this video shows what causes surface tension, how surface tension is manifested in our everyday lives, and how intermolecular forces are involved in surface tension.
—More on Surface tension | Wikipedia— 1/5/2018:
Surface tension is the elastic tendency of a fluid surface which makes it acquire the least surface area possible. Surface tension allows insects (e.g. water striders), usually denser than water, to float and stride on a water surface.
At liquid–air interfaces, surface tension results from the greater attraction of liquid molecules to each other (due to cohesion) than to the molecules in the air (due to adhesion). The net effect is an inward force at its surface that causes the liquid to behave as if its surface were covered with a stretched elastic membrane. Thus, the surface becomes under tension from the imbalanced forces, which is probably where the term "surface tension" came from.[1] Because of the relatively high attraction of water molecules for each other through a web of hydrogen bonds, water has a higher surface tension (72.8 millinewtons per meter at 20 °C) compared to that of most other liquids. Surface tension is an important factor in the phenomenon of capillarity.
Surface tension has the dimension of force per unit length, or of energy per unit area. The two are equivalent, but when referring to energy per unit of area, it is common to use the term surface energy, which is a more general term in the sense that it applies also to solids.
In materials science, surface tension is used for either surface stress or surface free energy.
Water[edit]
Several effects of surface tension can be seen with ordinary water:
Beading of rain water on a waxy surface, such as a leaf. Water adheres weakly to wax and strongly to itself, so water clusters into drops. Surface tension gives them their near-spherical shape, because a sphere has the smallest possible surface area to volume ratio.
Formation of drops occurs when a mass of liquid is stretched. The animation (below) shows water adhering to the faucet gaining mass until it is stretched to a point where the surface tension can no longer keep the drop linked to the faucet. It then separates and surface tension forms the drop into a sphere. If a stream of water was running from the faucet, the stream would break up into drops during its fall. Gravity stretches the stream, then surface tension pinches it into spheres.[3]
Flotation of objects denser than water occurs when the object is nonwettable and its weight is small enough to be borne by the forces arising from surface tension.[2] For example, water striders use surface tension to walk on the surface of a pond in the following way. The nonwettability of the water strider's leg means there is no attraction between molecules of the leg and molecules of the water, so when the leg pushes down on the water, the surface tension of the water only tries to recover its flatness from its deformation due to the leg. This behavior of the water pushes the water strider upward so it can stand on the surface of the water as long as its mass is small enough that the water can support it. The surface of the water behaves like an elastic film: the insect's feet cause indentations in the water's surface, increasing its surface area[4] and tendency of minimization of surface curvature (so area) of the water pushes the insect's feet upward.
Separation of oil and water (in this case, water and liquid wax) is caused by a tension in the surface between dissimilar liquids. This type of surface tension is called "interface tension", but its chemistry is the same.
Tears of wine is the formation of drops and rivulets on the side of a glass containing an alcoholic beverage. Its cause is a complex interaction between the differing surface tensions of water and ethanol; it is induced by a combination of surface tension modification of water by ethanol together with ethanol evaporating faster than water.
Check out other popular CC Academy videos on this channel:
Stoichiometry Tutorial, step by step
Classifying Types of Chemical Reactions
Solution Stoichiometry
Orbitals, the Basics: Atomic Orbitals Tutorial
Hybrid Orbitals Explained
Polar Molecules Tutorial: How to determine polarity in a molecule
Metallic Bonding and Metallic Properties Explained
Covalent Bonding Tutorial
Ionic Bonds, Ionic Compounds: What is an ionic bond and how do ionic compounds form
Electronegativity and bond character (bond type): non-polar covalent, polar, ionic
Metric Unit Prefix Conversions
Metric unit conversions shortcut
Mole Conversions Tutorial
Frequency, Wavelength, and the Speed of Light
The Bohr Model of the Atom and Atomic Emission Spectra
What is Heat
Rutherford's Gold Foil Experiment
Unit Conversion Using Dimensional Analysis Tutorial
What is Fire: Combustion Reaction Tutorial
- published: 05 Jan 2018
- views: 597951
6:38
Surface Tension and Adhesion | Fluids | Physics | Khan Academy
David explains the concepts of surface tension, cohesion, and adhesion.
Watch the next lesson: https://www.khanacademy.org/science/physics/thermodynamics/temp-...
David explains the concepts of surface tension, cohesion, and adhesion.
Watch the next lesson: https://www.khanacademy.org/science/physics/thermodynamics/temp-kinetic-theory-ideal-gas-law/v/thermodynamics-part-1?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/fluids/fluid-dynamics/v/venturi-effect-and-pitot-tubes?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
https://wn.com/Surface_Tension_And_Adhesion_|_Fluids_|_Physics_|_Khan_Academy
David explains the concepts of surface tension, cohesion, and adhesion.
Watch the next lesson: https://www.khanacademy.org/science/physics/thermodynamics/temp-kinetic-theory-ideal-gas-law/v/thermodynamics-part-1?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/fluids/fluid-dynamics/v/venturi-effect-and-pitot-tubes?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Physics on Khan Academy: Physics is the study of the basic principles that govern the physical world around us. We'll start by looking at motion itself. Then, we'll learn about forces, momentum, energy, and other concepts in lots of different physical situations. To get the most out of physics, you'll need a solid understanding of algebra and a basic understanding of trigonometry.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Physics channel: https://www.youtube.com/channel/UC0oGarQW2lE5PxhGoQAKV7Q?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
- published: 01 Sep 2014
- views: 739063
12:54
Surface Tension of Water, Capillary Action, Cohesive and Adhesive Forces - Work & Potential Energy
This physics video tutorial provides a basic introduction into the surface tension of water. Surface tension prevents small amounts of water from flattening ou...
This physics video tutorial provides a basic introduction into the surface tension of water. Surface tension prevents small amounts of water from flattening out across a surface. Rather, it causes water to minimize its surface area and as a result, water forms small beadlike droplets. This video also discusses the capillary action of water as it is draw up through small tubes known as capillaries. Surface tension can be calculated by divided the force per unit length required to increase the area of a fluid. The surface tension opposes the force and attempts to minimize the area. The work required to increase the area of a fluid by a force is the surface tension multiplied by the increase in area. This video discusses the difference in the capillary effects between water and mercury. Water rises above the surrounding fluid level in a thin glass tube where as mercury descends below that line. The adhesive forces in water is greater than the cohesive forces. In Mercury, the cohesive forces are greater than the adhesive forces. Adhesive forces exist between different molecules and atoms. Cohesive forces exist between the same type of molecules and atoms.
Apparent Weight and Apparent Mass:
https://www.youtube.com/watch?v=yQIl0HyqlYg
Fractional Volume of Submerged Object:
https://www.youtube.com/watch?v=sMkHKMsBEl8
Hydrometer Physics Problems:
https://www.youtube.com/watch?v=xx8dOAwRFs4
Volume Flow Rate and Mass Flow Rate:
https://www.youtube.com/watch?v=lY0CaQaxLHE
Equation of Continuity:
https://www.youtube.com/watch?v=DxX6XLEdcAw
Bernoulli's Equation:
https://www.youtube.com/watch?v=xTAfyc06ZxQ
________________________________
Torricelli's Theorem & Speed of Efflux:
https://www.youtube.com/watch?v=046-DygKrhc
Venturi Meter Problems:
https://www.youtube.com/watch?v=lyk_HloXz-E
Dynamic Lift Force:
https://www.youtube.com/watch?v=HsgZM2TXXy4
Viscosity of Fluids and Velocity Gradient:
https://www.youtube.com/watch?v=PoG14wRRQmM
Poiseuille's Law:
https://www.youtube.com/watch?v=UeQu19VChjE
_________________________________
Fluid Pressure Review:
https://www.youtube.com/watch?v=nUKUzpRgdbY
Simple Harmonic Motion:
https://www.youtube.com/watch?v=_Gnke2x3vT8
The Simple Pendulum:
https://www.youtube.com/watch?v=1Q15fgz-lUk
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections
Physics PDF Worksheets:
https://www.video-tutor.net/physics-basic-introduction.html
https://wn.com/Surface_Tension_Of_Water,_Capillary_Action,_Cohesive_And_Adhesive_Forces_Work_Potential_Energy
This physics video tutorial provides a basic introduction into the surface tension of water. Surface tension prevents small amounts of water from flattening out across a surface. Rather, it causes water to minimize its surface area and as a result, water forms small beadlike droplets. This video also discusses the capillary action of water as it is draw up through small tubes known as capillaries. Surface tension can be calculated by divided the force per unit length required to increase the area of a fluid. The surface tension opposes the force and attempts to minimize the area. The work required to increase the area of a fluid by a force is the surface tension multiplied by the increase in area. This video discusses the difference in the capillary effects between water and mercury. Water rises above the surrounding fluid level in a thin glass tube where as mercury descends below that line. The adhesive forces in water is greater than the cohesive forces. In Mercury, the cohesive forces are greater than the adhesive forces. Adhesive forces exist between different molecules and atoms. Cohesive forces exist between the same type of molecules and atoms.
Apparent Weight and Apparent Mass:
https://www.youtube.com/watch?v=yQIl0HyqlYg
Fractional Volume of Submerged Object:
https://www.youtube.com/watch?v=sMkHKMsBEl8
Hydrometer Physics Problems:
https://www.youtube.com/watch?v=xx8dOAwRFs4
Volume Flow Rate and Mass Flow Rate:
https://www.youtube.com/watch?v=lY0CaQaxLHE
Equation of Continuity:
https://www.youtube.com/watch?v=DxX6XLEdcAw
Bernoulli's Equation:
https://www.youtube.com/watch?v=xTAfyc06ZxQ
________________________________
Torricelli's Theorem & Speed of Efflux:
https://www.youtube.com/watch?v=046-DygKrhc
Venturi Meter Problems:
https://www.youtube.com/watch?v=lyk_HloXz-E
Dynamic Lift Force:
https://www.youtube.com/watch?v=HsgZM2TXXy4
Viscosity of Fluids and Velocity Gradient:
https://www.youtube.com/watch?v=PoG14wRRQmM
Poiseuille's Law:
https://www.youtube.com/watch?v=UeQu19VChjE
_________________________________
Fluid Pressure Review:
https://www.youtube.com/watch?v=nUKUzpRgdbY
Simple Harmonic Motion:
https://www.youtube.com/watch?v=_Gnke2x3vT8
The Simple Pendulum:
https://www.youtube.com/watch?v=1Q15fgz-lUk
Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections
Physics PDF Worksheets:
https://www.video-tutor.net/physics-basic-introduction.html
- published: 17 Nov 2017
- views: 223944
10:11
Viscosity, Cohesive and Adhesive Forces, Surface Tension, and Capillary Action
Liquids have some very interesting properties, by virtue of the intermolecular forces they make, both between molecules of the liquid and those between the liqu...
Liquids have some very interesting properties, by virtue of the intermolecular forces they make, both between molecules of the liquid and those between the liquid and some other material they are in contact with. Let's learn about viscosity, cohesive and adhesive forces, surface tension, and capillary action.
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
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https://wn.com/Viscosity,_Cohesive_And_Adhesive_Forces,_Surface_Tension,_And_Capillary_Action
Liquids have some very interesting properties, by virtue of the intermolecular forces they make, both between molecules of the liquid and those between the liquid and some other material they are in contact with. Let's learn about viscosity, cohesive and adhesive forces, surface tension, and capillary action.
Watch the whole General Chemistry playlist: http://bit.ly/ProfDaveGenChem
Study for the AP Chemistry exam with me: https://bit.ly/ProfDaveAPChem
Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem
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- published: 10 May 2019
- views: 560429
5:41
Teminite & PsoGnar - Surface Tension
Teminite & PsoGnar - Surface Tension
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Spotify ➜ https://tinyurl.com/y9359ztm
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Teminite & PsoGnar - Surface Tension
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https://wn.com/Teminite_Psognar_Surface_Tension
Teminite & PsoGnar - Surface Tension
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- published: 07 Sep 2017
- views: 1901788
3:37
Surface Tension of Water Explained
Surface tension in liquid water resists an external force because of cohesive nature (due to hydrogen bonding) of its molecules. Water molecules on the surface ...
Surface tension in liquid water resists an external force because of cohesive nature (due to hydrogen bonding) of its molecules. Water molecules on the surface of water differ in that they can make fewer hydrogen bonds than water molecules at the center of the liquid. As a result the water molecules are more strongly attracted, and surface tension is present.
Resources:
Hydrogen Bonding Explained: https://youtu.be/aZ8JxFwR_nY
Polar and Non-Polar Molecules Explained: https://youtu.be/OHFGXfWB_r4
Surface tension is a common occurrence and of great biological importance (see https://www.usgs.gov/special-topic/water-science-school/science/surface-tension-and-water?qt-science_center_objects=0#qt-science_center_objects).
You can demonstrate surface tension by floating a paperclip on water (see https://www.youtube.com/watch?v=3Cf68jizW0Q)
Surface Tension Diagram: https://commons.wikimedia.org/wiki/File:Wassermolek%C3%BCleInTr%C3%B6pfchen.svg
Water Strider Image: https://commons.wikimedia.org/wiki/File:WaterstriderEnWiki.jpg
Space Station and Water Surface Tension: https://www.youtube.com/watch?time_continue=15&v=bKk_7NIKY3Y&feature=emb_logo
https://wn.com/Surface_Tension_Of_Water_Explained
Surface tension in liquid water resists an external force because of cohesive nature (due to hydrogen bonding) of its molecules. Water molecules on the surface of water differ in that they can make fewer hydrogen bonds than water molecules at the center of the liquid. As a result the water molecules are more strongly attracted, and surface tension is present.
Resources:
Hydrogen Bonding Explained: https://youtu.be/aZ8JxFwR_nY
Polar and Non-Polar Molecules Explained: https://youtu.be/OHFGXfWB_r4
Surface tension is a common occurrence and of great biological importance (see https://www.usgs.gov/special-topic/water-science-school/science/surface-tension-and-water?qt-science_center_objects=0#qt-science_center_objects).
You can demonstrate surface tension by floating a paperclip on water (see https://www.youtube.com/watch?v=3Cf68jizW0Q)
Surface Tension Diagram: https://commons.wikimedia.org/wiki/File:Wassermolek%C3%BCleInTr%C3%B6pfchen.svg
Water Strider Image: https://commons.wikimedia.org/wiki/File:WaterstriderEnWiki.jpg
Space Station and Water Surface Tension: https://www.youtube.com/watch?time_continue=15&v=bKk_7NIKY3Y&feature=emb_logo
- published: 23 Jul 2020
- views: 90115
4:30
Surface tension | States of matter and intermolecular forces | Chemistry | Khan Academy
Surface tension in water, and how the surface tension is related to hydrogen bonding.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/stat...
Surface tension in water, and how the surface tension is related to hydrogen bonding.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/introduction-to-intermolecular-forces/v/capillary-action-and-why-we-see-a-meniscus?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/introduction-to-intermolecular-forces/v/solubility?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channel/UCyEot66LrwWFEMONvrIBh3A?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
https://wn.com/Surface_Tension_|_States_Of_Matter_And_Intermolecular_Forces_|_Chemistry_|_Khan_Academy
Surface tension in water, and how the surface tension is related to hydrogen bonding.
Watch the next lesson: https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/introduction-to-intermolecular-forces/v/capillary-action-and-why-we-see-a-meniscus?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Missed the previous lesson? https://www.khanacademy.org/science/chemistry/states-of-matter-and-intermolecular-forces/introduction-to-intermolecular-forces/v/solubility?utm_source=YT&utm_medium=Desc&utm_campaign=chemistry
Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.
About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.
For free. For everyone. Forever. #YouCanLearnAnything
Subscribe to Khan Academy’s Chemistry channel: https://www.youtube.com/channel/UCyEot66LrwWFEMONvrIBh3A?sub_confirmation=1
Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy
- published: 02 Jul 2015
- views: 405978
3:28
7 Science Tricks with Surface Tension
Surface tension holds the surface molecules of liquids tightly together and makes for some fun experiments!
Instagram: http://instagram.com/thephysicsgirl
Fac...
Surface tension holds the surface molecules of liquids tightly together and makes for some fun experiments!
Instagram: http://instagram.com/thephysicsgirl
Facebook: http://www.physicsgirl.org/facebook
Twitter: http://www.physicsgirl.org/twitter
Updates: http://physicsgirl.org
Help us translate our videos! http://www.youtube.com/timedtext_cs_panel?c=UC7DdEm33SyaTDtWYGO2CwdA&tab=2
Thanks to my mom for filming
Music: "On the Bach," "Bluesy Vibes," "Good Starts"
https://wn.com/7_Science_Tricks_With_Surface_Tension
Surface tension holds the surface molecules of liquids tightly together and makes for some fun experiments!
Instagram: http://instagram.com/thephysicsgirl
Facebook: http://www.physicsgirl.org/facebook
Twitter: http://www.physicsgirl.org/twitter
Updates: http://physicsgirl.org
Help us translate our videos! http://www.youtube.com/timedtext_cs_panel?c=UC7DdEm33SyaTDtWYGO2CwdA&tab=2
Thanks to my mom for filming
Music: "On the Bach," "Bluesy Vibes," "Good Starts"
- published: 21 Apr 2015
- views: 10452465