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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

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.

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

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.