Explains gravity, what the effects of gravity are, and how gravity makes us strong .


Explains sound, what our ears do, and what frequency sounds good.


Atoms by Cindy Devine Dalton includes an introductory overview of critical physical sciences content: atoms, electricity, force and motion, gravity, light and sound.

Force & Motion

Explains force and how the lever, pulley, and wedge work.

Light Earth Science - How Can I Experiment With…?

Explains how fast light travels, if the light bulb is hot or cold, and what the color of light .


Explains electricity, why opposites attract, and what a conductor is.