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

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

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.

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.