An injection well is used to emplace fluids into the subsurface using pressure. This technical animation describes the injection process. [10:59]

This animation explains what happens to particles when an ice cube melts or water boils.

Using the Maxwell-Boltzmann distribution to visualize the distribution of speeds of particles at different temperatures. [9:29]

A video exploring how matter is defined as anything that takes up space and has mass. Learn that matter is made up of tiny particles. Video also investigates the different states of matter. [1:45]

Video shows a dating show game where the bachelor learns more about the properties of the contestants, solid, liquid, and gas. [1:48]

This video explores atoms! Learn how all matter is composed of atoms. Also learn about the sub particles that make up atoms. Also get a lesson on how to read the periodic table which contains information about different types of atoms....

A video showing images and examples of the three states of matter. [1:38]

This lesson will explore a gas from a molecular viewpoint and describe its general properties. It is 2 of 2 in the series titled "Gas."

This lesson will compare the relative kinetic energy possessed by molecules in different states. It is 2 of 2 in the series titled "Kinetic Energy and States of Matter."

This lesson will define the three classical states of matter - solids, liquids and gases. It is 1 of 2 in the series titled "States of Matter."

This lesson will introduce the phase changes that occur at the boiling, freezing, and melting points. It is 3 of 4 in the series titled "Boiling, Freezing, Melting Point."