It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project idea explores how far the average human can see.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

The objective of this science project is to investigate why NASA has been using aerogel for the Stardust Project for collecting gas and dust from comets.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

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

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Learn the anatomical and physiological differences between central and peripheral visual systems.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

The project researches how lubricants affect the mechanical advantage of a pulley.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

This project examines whether sugar substitutes are as sweet as real sugar.

Explore convex and concave objects and how they reflect light.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!