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Gravity

Four Harvard training aircraft

How Planes Fly

Learn about what gets planes up in the air, what keeps them up there, and what brings them down again.

Four forces acting on an aircraft

Four Forces of Flight

Learn about the four forces of flight.

Boy on bicycle

How Can I Go Faster on My Bike?

You don’t have to pedal harder to go faster. You just have to understand a little bit about gravity, drag and friction!

Wingsuit flying over Massachusetts

Soaring for Sport

Ever dreamed if overcoming gravity and flying away? Using aerodynamics, wingsuit jumpers get as close to flight as humanly possible.

Which materials bounce?

Which materials bounce?

Balls go up and down. But what makes for a good ball? Find out by exploring which materials bounce.

The planet Mars

What is your weight on another planet?

Do you weigh the same on Jupiter as you do on Earth? Learn to calculate your weight on a different planet.

How can you lift a marble off a table without touching it with your hands?

How can you lift a marble off a table without touching it with your hands?

Is it magic? No - it’s physics! Use circular motion to overcome the force of gravity and amaze your family!

How can I make my own weighing scale?

How can I make my own weighing scale?

Make a scale from simple materials and test it to measure weight.

How can I make an egg float?

How can I make an egg float?

In this challenge activity find out if you can get an egg to float. Learn how the density of matter affects the buoyancy of objects.

How can I engineer a raft so that it holds the most weight?

How can I engineer a raft so that it holds the most weight?

Explore the forces of gravity and buoyancy while designing a raft to hold the most weight possible.

How can I build a rollercoaster?

How can I build a rollercoaster?

Try your hand at building a “super coaster” using materials around your home.