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

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Construct batteries that make electricity from fruits with this fun science fair project.

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

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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

In this project, the affect of acid rain is simulated by the acid, vinegar.

This science fair project idea researches the effects of acid rain on plant growth.

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

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

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

This project tests the hypothesis that dark colors absorb more heat than light colors.

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

This science experiment has students test whether a snail moves faster on concrete or dirt.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

Examine the effect of pressure on carbonation in soda.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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?

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.