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

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

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.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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 science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.