This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

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

This science fair project idea explores whether dogs do look like their owners.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

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

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

Can cells be frozen? This science fair project provides information to answer this question.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

People have favorite flavors, but what about ants? Which ant food is the most popular?

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.