Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

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

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.