Pospisil, Denise

Explores the forces of motion and balance and what causes them, including concepts such as inertia, velocity and acceleration.

Learn about sound from the source that creates it to the mechanics of the ear that hears it. Discover why sound needs a medium to travel, why there's none in space and why some animals see by using sound. Hands-on activity.

Explains what makes something "magnetic," why opposites attract, how magnetic fields work, and other topics related to magnets.

An overview of forces and gravity, covering how these things shape and control everything in the universe as well as topics such as friction and magnetism.