Kids' Science Challenge

Year Two Archive

Fun 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.

Sports on Mars Science Project

Science Under Pressure
Your friends will be amazed as you ‘magically’ seal a plastic bag to a bowl using only the power of air pressure.

Red Star

Download this Activity [PDF: 463KB]

Play Balloon Ball!
Would balloon baseball work better on Earth or Mars? Find out with our balloon toss activity, then design a Balloon Ball game for each planet.

Red Star

Visit Sports on Mars Videos [Video]
Download this Activity [PDF: 719KB]

Which One Is Home?
Would you recognize your home planet from high up in the sky? Find out as you compare satellite images of Earth and Mars.

Red Star

Download this Activity [PDF: 2.12MB]

Build A Soda Straw Rocket
Make and test a mini-rocket, just like a NASA engineer, and improve it until it can fly high.

Red Star

Download this Activity [PDF: 946KB]

Play this fun online game!

Red Star

Mars Ball!

Detective Science Project

Send A Top Secret Message
Write a message, then use crayons to cover it up. Nobody can see it – until you give someone the simple tool needed to read your words.

Blue Star

View Detective Science Videos [Video]
Download this Activity [700KB]

Make an Invisible Electrostatic Message
Use the power of charged particles to write an invisible message on a balloon. Then a friend how to make the message visible.

Blue Star

View Detective Science Videos [Video]
Download this Activity [742KB]

The Case of the Pushy Pencils
You’re a detective. Your suspect just wrote a message on a pad of paper, then tore off the top sheet and ran. You grabbed the pad – how can you find out what was written there?

Blue Star

Download this Activity [776KB]

Learn the Secrets of Fingerprints
Who drank your smoothie while your back was turned? “Lift” the fingerprints to find out – and discover how to match prints to a suspect.

Blue Star

View Detective Science Videos [Video]
Download this Activity [PDF: 1.10MB]

Your Body Rules!
Can you tell how tall someone is by looking at the size of their foot?  Check it out!

Blue Star

View Detective Science Videos [Video]
Download this Activity [1.08MB]

That Sinking Feeling
How can you make water float? Put liquids into layers as you build a gradient tube.  Then learn how scientists test for different materials by seeing whether they sink or float.

Blue Star

View Detective Science Videos [Video]
Download this Activity [1.27MB]

Backyard Detective
Even a boring-looking stretch of your yard or park can be home to fascinating species – and to clues that they were there.

Blue Star

Download this Activity [1016KB]

Play this fun online game!

Blue Star

The Brownie Caper

Bio Inspired Science Project

Take the Blindfold Challenge
Tie a blindfold around your eyes, then make some amazing discoveries about natural objects. Use your senses to observe and figure out each object’s function.

Green Star

Download this Activity [PDF: 874KB]

Meet At the Function Junction
What objects in nature can turn garbage into something useful, or stick like glue? Take the challenge and find out as you play!

Green Star

Download this Activity [PDF: 1.24MB]

It’s Slime Time!
Can you make the slimiest slime?

Green Star

View Bio Inspired Videos [Video]
Download this Activity [945KB]

Jumping Roaches!
Feeling jumpy? Your challenge here is to make a model roach that really hops.

Green Star

View Bio Inspired Videos [Video]
Download this Activity [PDF:1.20MB]

Clean Teeth and Sticky Toes
Have you been brushing your teeth with gecko feet? Find out how your toothbrush is just like a certain lizard’s toes.

Green Star

View Bio Inspired Videos [Video]
Download this Activity [PDF: 752KB]

Play this fun online game!

Green Star

What in the World? Matching Game

Other Science Fair Resources from Kids' Science Challenge

Click here for Kids' Science Challenge VIDEOS AND AUDIO PODCASTS that you can use to help inspire your science fair projects, too!

To get a booklet with more experiments on all of these subjects, just download the KIDS' SCIENCE CHALLENGE ACTIVITY KIT [PDF: 2.31MB]. You'll need to buy some of the parts. After you've decided which experiment you want to do, here's where you can get the more hard-to-find supplies:

Teachers and Parents: Click here for CLASSROOM LESSON PLANS on all of the Kids' Science Challenge topics.

Sharing your Science Fair idea: Share your science fair projects with other kids here! Send us a photo and a paragraph about your science fair project and we may add it to our KSC in ACTION! blog. You need to have your parent or guardian's permission to participate, so download this permission form [PDF: 79KB], fill it out and have your parent or guardian sign it. Instructions for sending it back to us are on the form. After we get the signed form we'll send you an email with instructions for sending us your photos. 

Play these fun online games!

Mars Ball!

The Brownie Caper

What in the World? Matching Game