In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

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

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Help your child make a beautiful homemade sandcastle that will last!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Help your preschooler craft a homemade wind spinning device--a surefire to make your backyard sparkle, and teach her a bit about weather!

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.