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

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

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

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

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

This science fair project idea explores the different properties & interactions of sugar molecules.

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

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

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

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

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

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

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

What colors can dogs see? Do they only have black and white vision, or can they see other colors too? Find out in this cool science experiment!

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

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.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?