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.

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.

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

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

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.