Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Test your friends to find out if you can replicate the placebo effect's incredible results.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This science fair project idea explores how length affects the weight a bridge can hold.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.