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

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

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.

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

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.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

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

This project compares the strength of one, two, and three-ply toilet paper.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

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 experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

This science fair project idea investigates if webbed feet help a duck (and others) swim.