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

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.

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!

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 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!

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.

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

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.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

When the wind starts blowing, you and your child can plant a sponge garden in the comfort of your own kitchen. Here's how:

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.