In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.