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.

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

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!

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?

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 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 science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

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

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.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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 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.

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

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