DK Find Out! Forces and Motion

Learn about force, weight and mass, gravity, laws of motion, pressure, friction, and more.

Steve Spangler Science: Traveling Water
Steve Spangler Science

Adhesion, cohesion, and gravity combine talents to move water from cup to cup.

Steve Spangler Science: Marble Gravitron
Steve Spangler Science

The downward force of gravity is (temporarily) put on hold for a spinning marble.

Steve Spangler Science: The Coin Drop
Steve Spangler Science

Gravity and inertia combine to neatly drop a penny (or a stack of pennies) into a glass.

Steve Spangler Science: The Spinning Penny
Steve Spangler Science

This activity is an amazingly simple display of centripetal force (and annoying sounds) right at your fingertips.

Steve Spangler Science: Newton’s Inertia Beads
Steve Spangler Science

Inertia, force, and motion come together as Sir Isaac Newton’s favorite beads pull themselves out of a container.

Steve Spangler Science: The Egg Drop
Steve Spangler Science

Demonstrate gravity, motion, and other forces with this incredible science trick.

Steve Spangler Science: Newton’s Nightmare
Steve Spangler Science

Defy the laws of gravity and bend physics with the Newton’s Nightmare science project.

Arizona Science Center: Anti-Gravity Gyros
Arizona Science Center

Explore ways to overcome gravity by building and testing an anti-gravity device.

DreamUp: Density in Space

Do you know why things float in space? It might not be why you think!

DreamUp: Centrifugal Force

Have you ever taken a ride on a spinning amusement park ride?