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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

Word color association is just a fancy way to talk about the way we connect colors with words.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

In this experiment we will be determining whether birds prefer certain colors of seed.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

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.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This biodiversity project examines the biodiversity in your own backyard.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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