Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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

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

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.

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

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

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

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Make edible amber fossils with your second grader to explore the fascinating world of science!

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

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.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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.

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

In this activity your child will create their very own marble maze!

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