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In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea explores how length affects the weight a bridge can hold.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

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

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

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Have your child kick off their summer vacation by making a miniature water slide!

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 activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.