[Free Registration/Login may be required to access all resource tools.] Explores the conservation of mass and energy in nuclear reactions and Einstein's equation.

Created to teach students of the 21st century, Sophia is bringing the laws of mass straight to your fingertips. Become the commander of your own learning experiences as you take part in this brief tutorial. [0:56]

Everything in our universe has mass- from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars, planets and you. How can the universe grow while...

This Kahn Academy tutorial helps students understand the principles of conservation of energy and mass. [10 min, 6 sec]

[Free Registration/Login may be required to access all resource tools.] Explains Law of conservation of mass and why chemical equations must be balanced.

Find out about the essential role energy plays in cell function and in sustaining life. Trace energy transformations as they pass from one living thing to another.

Learners conduct a hands-on investigation to determine how matter, changing state, effects the property of weight. Students will collect data and graph their results. Resources include step by step instructions, a data worksheet, videos...

Includes exhaustive information and a wealth of activities pertaining to aerodynamics and the physics of flight.

This is a glossary of the terms and definitions used in Chapter 8: Linear Momentum and Collisions from the AP Physics online text.

For this experiment for Grade Five, students develop an understanding that chemical changes in matter do not affect the actual mass of the matter.