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

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.

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

Help your child celebrate the summer and the sun by making a sandy seascape.

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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.

This science fair project idea investigates if fats add to the flavor of food.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

How do organic materials become soil? This science experiment measures what materials biodegrade.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

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

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

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This science fair project idea explores how length affects the weight a bridge can hold.

Learn all about balance and motion as your child designs a corn maze!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Slip some science into storm watching with a homemade rain gauge!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!