What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Determine which metal has the highest rate of conductivity.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

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.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this experiment we use Scotch Guard to make sand that resists water.

Discover whether people can distinguish what a person looks like just by listening to their voice.

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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea investigates whether plants can survive being frozen.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.