Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This science fair project idea determines what household items are good conductors of electricity.

Discover how and which salt melts ice the quickest.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

This science fair project idea determines if the color of light affects the growth of plants.

In this design challenge, your child will make a bottle rocket using typical household items.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Learn all about balance and motion as your child designs a corn maze!

Check out this cool science fair project on identifying rocks and minerals for kids.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

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

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project idea investigates how magnetism can defy the force of gravity.