How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

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

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Here's a great early reading and science activity for curious children. Learn how to plant your child's name in seeds for a growing writing activity!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Here's a fun activity that will have your child teaching you for once, while you find out exactly what she is learning in school.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

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.

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

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?

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.