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.

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

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!

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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.

Do you think heat can affect a plant's growth rate?

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

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

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science fair project teaches students about wilting and browning of salad greens.

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.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.