see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Compare different remedies for cooling the mouth after eating spicy food.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Science fair project that determines whether mass and weight are the same or different.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

This science fair project studies whether DSLR and Point-and-Shoot cameras work the same way under all conditions.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This project compares the strength of one, two, and three-ply toilet paper.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Compare the ignition rates of various types of flame-retardant materials.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

In this cool science experiment, test and compare the adhesive holding strength of homemade casein glue versus commercial glue.

This science fair project idea explores whether cats can be trained in the same way that dogs can.