In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

In this science fair project you will make a model of a cell membrane using very simple material.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.