This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

This science fair project idea researches the effects of acid rain on plant growth.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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.

Find out whether putting something on top of a plant will inhibit its growth.

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

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea investigates if fats add to the flavor of food.

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

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

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

This science fair project idea investigates whether air has mass and weight.

Find out which kind of bubble wrap fares best when put in impact.

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