This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

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

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

This science fair project idea examines the reason boats are shaped and engineered.

In this science fair project, young children notice and track changes in trees throughout the year.

Make an edible play dough with your child to help her develop her sensory and motor skills.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

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.

Discover which battery composition (type) lasts the longest.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This science fair project idea demonstrates sonar mapping of the ocean floor.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

This science fair project idea identifies trees using a dichotomous key.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.