This project determines how much the rebound rates of tennis balls change after ten games.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

In almost every preschool classroom is a sensory table. Learn how to make one at home!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

In the mood for a bit of silly science? Help your child create a truly one-of-a-kind planter out of a potato head!

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

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

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

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 science fair project idea identifies and understands adaptations in birds.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

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

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

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.