In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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?

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Learn how different types of soil affect how animal tracks form in this experiment!

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

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.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.