Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Start your toy engines -- this is going to be a fast and friction-filled race!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this activity, your child will be challenged to make a tower using paper cups.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Who knew that nature could get so crafty? Show your kindergartener how to collect and morph pinecones into a whole team of personalized pinecone people.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.