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Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this experiment you will replicate the mummification process by making a hot dog mummy.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This biodiversity project examines the biodiversity in your own backyard.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project examines how seeds hitchhike on animals and clothing.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.