Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This basketball project explores the best way to make the perfect shot every time.

This science fair project idea demonstrates that plants give off water.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

In this project, a magnet is used to collect iron from breakfast cereals.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This science fair project idea determines if the color of light affects the growth of plants.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

In this project, different childproof containers are tested to see how childproof they really are.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project idea determines the most effective method of preserving food.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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

In this fun experiment, we'll find out how color affects heat absorption!

This science fair project idea investigates how the shape of an object affects drag.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

The project determines which laundry detergent is best for cleaning clothes.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Examine the effect of pressure on carbonation in soda.