Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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

In this project children practice the scientific method while playing with puffy paint.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

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