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This science fair project idea investigates how images are influenced by changes in light.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Explore convex and concave objects and how they reflect light.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

How is NASA able to launch something into orbit around the Earth? Learn about the relationship between gravity, speed, and orbit in space in this cool project!

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

In this science fair project, students test how objects float and sink in liquids of different densities.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

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!

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

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.