Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea explores the egg's thin membrane.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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

In this science fair project, students make their own rain gauge to measure rainfall.

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

This science fair project idea examines which type of insulation holds in the most heat.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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.