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Learn about this simple machine and make a pulley of your own to use for fun science trials.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Find out which kind of bubble wrap fares best when put in impact.

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea determines what household items are good conductors of electricity.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This project examines whether people's taste perception is influenced by what they see.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

The objective of this science project is to determine the length of time for different seeds to germinate.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

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

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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?

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...