![How does a wheelbarrow help you carry heavy loads?](/sites/default/files/2019-08/how-does-a-wheelbarrow-help-you-carry-heavy-loads.jpg)
How does a wheelbarrow help you carry heavy loads?
Hands-on Activities
In this hands on activity build a wheelbarrow from simple materials to explore just how useful simple machines can be!
![How can I stop bananas from turning brown?](/sites/default/files/2019-08/how-can-i-stop-bananas-from-turning-brown.jpg)
How can I stop bananas from turning brown?
Hands-on Activities
Explore the chemistry behind why bananas turn brown. Can chemistry also help prevent this?
![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 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!
![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.
![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 big were dinosaurs?](/sites/default/files/2019-08/how-big-were-dinosaurs.jpg)
How big were dinosaurs?
Hands-on Activities
Some dinosaurs were very big! Compare the sizes of different dinosaurs to the sizes of familiar objects you see in your community.
![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 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.
![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 volcano?](/sites/default/files/2019-08/how-can-i-make-a-volcano.jpg)
How can I make a volcano?
Hands-on Activities
Create a model of an erupting volcano and learn about the structures of a stratovolcano in this hands-on activity.
![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.
![Can we make butter?](/sites/default/files/2019-08/can-we-make-butter.jpg)
Can we make butter?
Hands-on Activities
Do you like butter? Find out how easy it is to make!