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?

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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 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.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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

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

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

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!

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

How powerful is the reaction between baking soda and vinegar? Find out here!

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

This simple experiment serves as an introduction to the greenhouse effect.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.