Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

Examine the effect of pressure on carbonation in soda.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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.

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Reuse and recycle cardboard tubes to make spooky spiders, kooky caterpillars, wacky worms, and more.

Cleaning can be a chore, but not with this sudsy experiment!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

This biodiversity project examines the biodiversity in your own backyard.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

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

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.