Kids' Science Challenge

Teachers and Parents

Fun Downloadable Activities

Hey, kids! Are you searching for ideas for your science fair projects? We’ve created all kinds of fun activities you can download and experiment with at home. They’re organized here by Kids’ Science Challenge category. Share them with your friends, parents and teachers, too.

Sensational Sounds Activities

Sound Sandwich
What kind of musical instrument could you make with rubber bands, craft sticks, and drinking straws? Find out, and play a tune.

Red Star

Download this Activity [PDF: 1.18MB]

Tube Whacker
Banging things against the floor to make noise sounds like something that could get you into trouble. In this activity, banging things will sound like musical scales!

Red Star

View Sensational Sounds Videos [Video]
Download this Activity [PDF: 754KB]

Super Stuff for Sports Activities

Oobleck
What’s both a liquid and a solid, very messy and fun to play with? It’s Oobleck!

Blue Star

Download this Activity [PDF: 1.10MB]

It is Slime Time
Can you make the slimiest slime?

Blue Star

Download this Activity [PDF: 878KB]

Magical Microbes Activities

Mud Battery
Talk about an alternative energy source: Bacteria in mud can create an electrical charge! And you can make them do it!

Green Star

View Magical Microbes Videos [Video]
Download this Activity [PDF: 1.63MB]

The Fungus Garden
Make some leftover food turn crazy colors, grow fuzz, and get really gross.

Green Star

Download this Activity [PDF: 1.21MB]

Yeast Balloons
How can you make a balloon inflate without blowing into them? Try Yeast Ballooons and find out!

Green Star

View Magical Microbes Videos [Video]
Download this Activity [PDF: 1.17MB]

Make your own Yogurt
Find out how you can turn milk into yummy yogurt.

Green Star

Download this Activity [PDF: 1.90MB]