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

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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!

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.

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

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project idea identifies clouds as a means of predicting the weather.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

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

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.