Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Check out this fun science project idea to measure the amount of vitamin C in ripe, half-ripe, unripe and stored oranges.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

This project examines whether and what associations exist between numbers and letters and colors.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

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.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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.

How powerful is the reaction between baking soda and vinegar? Find out here!

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

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

This science fair experiment examines the relationship between gender, age, and smiling.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

Science fair project that determines how we can change potential energy into kinetic energy.