three states of matter solid liquid gas density fluidity viscosity surface tension 72 videos

Three States of Matter
Chemistry KineticMolecular Theory
The properties of the three phases of matter.
three states of matter solid liquid gas density fluidity viscosity surface tension 

Surface Area of Joined Solids
Geometry Area
How to calculate the surface area of a cylinder joined to a cone.
joined solid cone cylinder lateral area circle 
Population Density
Biology Ecology
Understanding population density.
population density high density low density increased competition 
Liquid Pressure
Physics Solids, Liquids and Gases
How the pressure in liquids increases at greater depths.
liquid pressure 
Ideal Gas Law
Chemistry KineticMolecular Theory
Understanding and applying the ideal gas law.
ideal gas law real gas law 

Physical Matter Properties  Chemical Matter Properties
Biology Chemical Basis of Life
The physical and chemical properties of matter.
physical chemical matter properties 
Physical Matter Properties  Chemical Matter Properties
Chemistry Matter
The physical and chemical properties of matter.
physical chemical matter properties 
Surface Area of Spheres
Geometry Volume
How to calculate the surface area of a sphere given a radius.
sphere surface area radius 
Volume and Surface Area
PreAlgebra Introductory Geometry
Vocabulary and formulas for surface area and volume of common solids

Surface Area of Prisms
Geometry Area
How to calculate the surface area of any prism.
prism 3d bases lateral faces lateral area surface area 
Solving a Threepart Linear Inequality
Precalculus Linear Equations and Inequalities
How to solve a three part inequality.
interval notation inequality notation set builder notation three part inequality 
Solving a Threepart Linear Inequality
Algebra 2 Linear Inequalities
How to solve a three part inequality.
interval notation inequality notation set builder notation three part inequality 
Boiling
Physics Heat Transfer and Change of Phase
How matter changes phase from liquid to gas.
boiling boil phase change 
Freezing
Physics Heat Transfer and Change of Phase
How matter changes phase from liquid to solid.
freezing phase change 
Matter Wave  De Broglie Wavelength
Physics The Atom and Quantum Physics
Understanding matter waves and De Broglie Wavelength.
matter wave de broglie wavelength particle 
Solving a Linear System in Three Variables with a Solution
Algebra 2 Systems of Linear Equations
How to solve a system of linear equations in three variables.
solving a system in three variables elimination substitution