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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

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.

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.

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!

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

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

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

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

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.

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

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

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.

In this project students experiment with making music using only glasses of water.

In this experiment we will be determining whether birds prefer certain colors of seed.

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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

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 fair project idea explores how length affects the weight a bridge can hold.

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

This project investigates the affect of storage temperature on microwave popcorn.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

This science fair project idea explores whether talking to a plant will help it grow.

Explore if planting seeds in a certain direction will affect how fast it germinates.