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.

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.

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.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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.

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.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

Your child can brush up on her math skills by charting the length of time that each candle on the menorah takes to burn.