Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea examines which type of insulation holds in the most heat.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

In this project children practice the scientific method while playing with puffy paint.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This project examines whether people's taste perception is influenced by what they see.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This science fair project teaches students about wilting and browning of salad greens.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This science fair project idea investigates how the shape of an object affects drag.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

This science fair project idea explores the egg's thin membrane.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Find out whether a longer airplane will fly farther or a wider paper airplane.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.