![How can I make my own weighing scale?](/sites/default/files/2019-08/how-can-i-make-my-own-weighing-scale.jpg)
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 I take fingerprints?](/sites/default/files/2019-08/Fingerprint_Whorl.jpg)
How can I take fingerprints?
Hands-on Activities
In this activity learn how to collect fingerprints, about the patterns in fingerprints and why fingerprinting is so useful!
![compass pointing north](/sites/default/files/2020-04/compass-pointing-to-north.jpg)
How can I tell which way is north at night?
Hands-on Activities
Do you like to look at the stars? What can you identify in the night sky? Try finding some important constellations tonight!
![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 you make popcorn kernels dance?](/sites/default/files/2019-08/how-can-you-make-popcorn-kernels-dance.jpg)
How can you make popcorn kernels dance?
Hands-on Activities
Get your popcorn kernels dancing with this uplifting chemical reaction.
![How do movies move?](/sites/default/files/2019-08/how-do-movies-move.jpg)
How do movies move?
Hands-on Activities
Explore the concept of persistence of vision in this hands on activity.
![How do scuba divers sink?](/sites/default/files/2019-08/how-do-scuba-divers-sink.jpg)
How do scuba divers sink?
Hands-on Activities
It’s not easy to dive deep underwater. How do divers get down deep? Learn how scuba divers manipulate density to move up and down in this hands on activity.
![How does detergent work?](/sites/default/files/2019-08/how-does-detergent-work.jpg)
How does detergent work?
Hands-on Activities
Become a pro at washing dishes! Learn how the chemical structure of detergent makes it perfect for attracting grease and grime.
![How does rain become acidic?](/sites/default/files/2019-08/how-does-rain-become-acidic.jpg)
How does rain become acidic?
Hands-on Activities
Learn how to make a pH indicator and test water samples.
![How can I make an egg float?](/sites/default/files/2019-08/how-can-i-make-an-egg-float.jpg)
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 a person walk through a sheet of paper?](/sites/default/files/2019-08/how-can-a-person-walk-through-a-sheet-of-paper.jpg)
How can a person walk through a sheet of paper?
Hands-on Activities
In this challenge activity discover how one piece of paper can go a long way. It's time to think outside the box!
![How can I engineer a raft so that it holds the most weight?](/sites/default/files/2019-08/how-can-i-engineer-a-raft.jpg)
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.
![How can I get a quarter through a dime sized hole?](/sites/default/files/2019-08/how-can-i-get-a-quarter-through-a-dime-sized-hole.jpg)
How can I get a quarter through a dime sized hole?
Hands-on Activities
Can you think like an engineer? Try to solve a tricky size and shape problem in this activity.
![How can I make a bottle rocket?](/sites/default/files/2019-08/how-can-i-make-a-bottle-rocket.jpg)
How can I make a bottle rocket?
Hands-on Activities
Use a pop bottle and other everyday materials to create a rocket that you can launch outdoors.
![How can I make a Vortex Cannon?](/sites/default/files/2019-08/how-can-i-make-a-vortex-cannon.jpg)
How can I make a Vortex Cannon?
Hands-on Activities
Build a vortex cannon and discover how fluids (liquids and gases) can move in unique ways due to their physical properties.