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.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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 cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

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

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

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.