This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

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.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

The objective of this science fair project is to investigate salt water density.

This science fair project idea investigates whether air has mass and weight.

This science fair project idea demonstrates that plants give off water.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea determines which method of hand cleansing is the most effective.

In this science fair project, young children notice and track changes in trees throughout the year.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.