Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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?

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.

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

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.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

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

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This science fair project idea determines which method of hand cleansing is the most effective.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

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.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!