Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

Try this fun preschool arts and crafts activity: make art by grating colored chalk over a sheet of buttermilk-painted paper. Watch as it sparkles!

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Your third grader will love both recreating and dressing up as his favorite reptile with this frightening crocodile jaw costume!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This flannel board will give your child hands-on practice with math, but in a fun format, full of ladybugs.

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

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

These DIY coasters are an easy-peasy, activity for small hands to manage, and a good way to get ready for summer, when cold drinks abound.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

This op art craft project turns out eye-popping abstract art! Your kid can flex her creativity to make op art with a few household items in her fave colors.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

This easy painting activity feels magical, especially when you use it for a secret message.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Do something totally unique and new with a pumpkin this year! Practice designing patterns with stripes, zigzags, or geometric shapes. The sky's the limit!

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Kick off the spookiest time of the year with an art project inspired by the ancient Egyptian process of mummification.

Help your child rocket off for some high-flying fun with a jet pack you make from recycled materials and a few odds and ends.

This simple illuminaria can be made for any season or holiday. It's so fun that parents and kids alike will enjoy making a new one for each special holiday!

Washi Ningyo, otherwise known as Japanese paper dolls, make fantastic bookmarks! Encourage your child to read more with this delightful, origami-inspired doll.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Let your kid try his hand at engineering as he builds and tests two different structures made out of rolled newspaper. Which one is the strongest?

These hanging carrots will help the Easter bunny find your house and celebrate a brightly colored food that is a healthy treat for bunnies and kids alike.

Who said snow globes have to be round and made of glass? Here’s our take on this holiday favorite, using paper and plastic.