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The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

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.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

This science fair project idea examines the reason boats are shaped and engineered.

This science research project challenges students to think of more effective lobster farming methods.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This project examines what types of objects burn and which burn faster and cleaner.

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

In this activity your child will create their very own marble maze!

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

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

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