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This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project idea investigates whether plants can survive being frozen.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Find out whether putting something on top of a plant will inhibit its growth.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.