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

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

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This project examines whether people's taste perception is influenced by what they see.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Is it a square or a circle? See if you can trick your friends with this zany science project!