This science fair project idea tests the efficiency of short term memory.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

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.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

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

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

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

In this project, you will observe and record changes in sunspots over two weeks.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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

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

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

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

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

Your preschooler can learn how to siphon water with just two bottles and a plastic tube in this fun, educational science activity.

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