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The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

This science project examines the thermal properties of several major greenhouse gases.

In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.

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

This science fair project idea explores which fruit molds the fastest.

Determine if gender affects the ability to identify different smells.

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

This science fair project determines the quality of a given product.

This science fair project idea tests the efficiency of short term memory.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Use a dichotomous key to identify plants or animals.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

This science fair project idea investigates how images are influenced by changes in light.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores the different properties of matter.