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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

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

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

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

Discover whether a metal will expand under hot water.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

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

This science fair project idea researches the effects of acid rain on plant growth.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.