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

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.

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

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.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

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.

Here's a pressed leaf card project that puts science and writing together for your second grader.

This surprisingly good glue recipe comes from common kitchen items.

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.

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.

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.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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.

Your kindergartener will have a blast helping you craft these fun, eco-friendly potted place cards.

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

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Is your child a young ornithologist in the making?

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.