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Science fair project that creates fog using bottles of hot and cold water.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea studies how talking on a cell phone affect driving?

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This science project teaches students to classify different shapes of leaves.

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

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

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

Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.