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Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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

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.

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.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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.

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!

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.

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?

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

This science fair project idea determines the probability of a coin landing heads or tails.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

This project explores whether music affects the growth and health of plants.

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

Determine whether the relationship between a personâs armspan and height are genetic.

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

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

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

.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.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

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

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.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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