
Gravity-Defying Water
A surprising science activity
Ben Finio is a senior staff scientist at Science Buddies and a lecturer at the Cornell University Sibley School of Mechanical and Aerospace Engineering. Follow him on Twitter @BenFinio.

Gravity-Defying Water
A surprising science activity

"X" Marks the Spot: Finding the Center of Mass
A centering science activity

Build a Bristlebot That Moves without Electricity
A fun robotics activity—powered by vibration

Which Materials Conduct Electricity?
An electrifying science project

Build a Mini Trebuchet
A medieval science project from Science Buddies

Make Your Own Spring Scale
A Physics Activity from Ben Finio and Science Buddies

Dam Design
A hydroelectricity science project

Password Hacker
A cybersecurity science activity

Phone Book Friction
Learn the physics behind the surprisingly powerful force of friction

Spinning Symmetry with Pinwheels
Learn why propellers and windmills are shaped in similar ways

Program with Paper: A-Maze Your Friends with a Hand-Written Computer Program
Learn more about how computer programs work by writing one yourself—to solve a maze of your own creation!

Stretch It! How Does Temperature Affect a Rubber Band?
An astounding activity from Science Buddies to stretch your ideas about physics