In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

Do you think heat can affect a plant's growth rate?

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Allow your first grader to get his artwork outdoors this summer by letting him create a garden art box for his arts and crafts supplies.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.