In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

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.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

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.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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!

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.

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.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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

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.

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.

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 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.