In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Learn how different types of soil affect how animal tracks form in this experiment!

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Have your child kick off their summer vacation by making a miniature water slide!

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea identifies trees using a dichotomous key.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Help your child learn about animal classification with this fun and delicious activity.

Children use their design thinking skills and powers of observation to create and construct a bird nest.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

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

Make these homemade shell fossils and introduce your child to the wonders of science!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.