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This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Test whether plants can grow without sunlight and water.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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

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

This science fair project idea investigates how magnetism can defy the force of gravity.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Plants and light seem to be good buddies, but how far does the friendship really go?

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This project examines whether people's taste perception is influenced by what they see.

Start your toy engines -- this is going to be a fast and friction-filled race!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!