Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

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.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

This science fair project idea determines if the color of light affects the growth of plants.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Explore this fun middle school science fair idea to learn about photosynthesis and the key role of light in the growth of green plants.

Find out whether packaged seeds actually do expire in this new science fair project idea.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

This science fair project idea determines which flower lasts the longest.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Find out whether putting something on top of a plant will inhibit its growth.