Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Make "fossils" with your child to hide in the sandbox or at the park or the beach, to help your child explore his archaeological side.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

How powerful is the reaction between baking soda and vinegar? Find out here!

Test your friends to find out if you can replicate the placebo effect's incredible results.

Do different types of oil mix or stack? Find out in this science fair project idea!

Find out whether a longer airplane will fly farther or a wider paper airplane.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.