Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This fascinating science fair project explores eye color genotypes.

Determine how good we are at direct and indirect observation.

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

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Science fair project that illustrates the properties of black holes in space.

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 provides evidence that air is everywhere and takes up space.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Cleaning can be a chore, but not with this sudsy experiment!

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this science fair project, students create their own miniature salt flats at home.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.