Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Make a spring collage with your child to get them outside and those creative juices flowing!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

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.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

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

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!

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

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

In this design challenge, your child will create a parachute for a small toy using typical household items.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

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

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!