# surface tension   11 videos

• #### Tension

##### PhysicsNewton's Laws of Motion

How to define and explain tension.

tension
• #### Surface Area of Spheres

##### GeometryVolume

How to calculate the surface area of a sphere given a radius.

sphere surface area radius
• #### Surface Area of Prisms

##### GeometryArea

How to calculate the surface area of any prism.

prism 3d bases lateral faces lateral area surface area
• #### Surface Area of Cones

##### GeometryArea

How to calculate the surface area of any cone explaining lateral surface area.

cone circle circumference lateral area lateral edge
• #### Surface Area of Cylinders

##### GeometryArea

How to prove the surface area of a cylinder formula.

circle lateral area circumference
• #### Surface Area of Joined Solids

##### GeometryArea

How to calculate the surface area of a cylinder joined to a cone.

joined solid cone cylinder lateral area circle
• #### Volume and Surface Area

##### Pre-AlgebraIntroductory Geometry

Vocabulary and formulas for surface area and volume of common solids

• #### Surface Area of Pyramids

##### GeometryArea

How to calculate the surface area of any pyramid, emphasizing regular polygons as bases.

regular polygon lateral area apothem
• #### Similarity and Volume Ratios

##### GeometrySimilarity

How to identify if two solids are similar and how to convert 1D ratios to surface area and volume ratios.

similarity volume ratios surface area
• #### Three States of Matter

##### ChemistryKinetic-Molecular Theory

The properties of the three phases of matter.

three states of matter solid liquid gas density fluidity viscosity surface tension
• #### Pressure

##### PhysicsHeat and Thermodynamics

Understanding the concept of pressure.

pressure force surface area air pressure