This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

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 investigates why the number of visible stars changes from place to place.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

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.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.