![Four forces acting on an aircraft](/sites/default/files/styles/resource_card_image_360x300_/public/2021-11/Four_forces_of_flight.png?itok=6fuWyvYE)
Four Forces of Flight
Backgrounders
Learn about the four forces of flight.
![What would happen if a meteor hit Earth?](/sites/default/files/2019-08/what-would-happen-if-a-meteor-hit-the-earth_0.jpg)
What would happen if a meteor hit Earth?
Hands-on Activities
Explore the effects of asteroid impacts in this hands on activity.
![Ferris Wheel: The London Eye Ferris Wheel: The London Eye](/sites/default/files/styles/resource_card_image_360x300_/public/London_Eye_-_head_on_view.jpg?itok=LdM6yYsS)
Simple Machines: Wheels And Axles
Picture Collections
6 images of some objects such as ferris wheels and skate boards with wheel and axle mechanisms that create rotary movement
![A group of teens riding bicycles](/sites/default/files/styles/resource_card_image_360x300_/public/2021-03/teenagers_on_bikes.jpg?itok=N_FfMvMA)
How Can Understanding Physics Help Me 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 dynamics, gravitational force and friction!
![How can you lift a marble off a table without touching it with your hands?](/sites/default/files/2019-08/how-can-you-lift-a-marble-off-a-table.jpg)
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 build a rollercoaster?](/sites/default/files/2019-08/how-can-i-build-a-roller-coaster.jpg)
How can I build a rollercoaster?
Hands-on Activities
Try your hand at building a “super coaster” using materials around your home.
![Teenage boys arm wrestling at school](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/teenage-boys-arm-wrestling.jpg?itok=FeHUO_WV)
Arm Wrestling and Torque
STEM Explained
Arm wrestling isn’t just a test of strength. It’s also a test of how well you understand torque.