Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

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

This tactile activity helps kindergarteners learn about texture.

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Use a dichotomous key to identify plants or animals.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

This science fair project idea experiments with spinning color wheels and optical illusions.

Science fair project that determines whether moths are attracted to one color of light more than others.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Science fair project that tests whether cats have a preference for organic food.

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!

This project examines which style of central-air system filter traps the most particles from the air.

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

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

Is your child a young ornithologist in the making?

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

How do organic materials become soil? This science experiment measures what materials biodegrade.

Determine which video game elevates the heart rate best and burns the most calories.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.