# Gravity

#### How Planes Fly

Backgrounders

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

#### Four Forces of Flight

Backgrounders

Learn about the four forces of flight.

#### What is your weight on another planet?

Hands-on Activities

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

#### Soaring for Sport

STEM Explained

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

#### How can I make an egg float?

Hands-on Activities

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 make my own weighing scale?

Hands-on Activities

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

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

Hands-on Activities

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

#### How Can I Go Faster on My Bike?

STEM Explained

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

#### How can I build a rollercoaster?

Hands-on Activities

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

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

Hands-on Activities

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