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.

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

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

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

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.

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!

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

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

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

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.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

This experiment explores how listening in to a one-sided conversation affects concentration.

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

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Test out various brands of permanent markers to see which one is least water soluble.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Science fair project that determines whether moths are attracted to one color of light more than others.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.