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

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

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.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

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!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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