Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This project compares the strength of one, two, and three-ply toilet paper.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Plants and light seem to be good buddies, but how far does the friendship really go?

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

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.