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In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

.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 putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Explore convex and concave objects and how they reflect light.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

This science research project challenges students to think of more effective lobster farming methods.

Discover which absorbent material is the best; the Shamwow, paper towels, or cotton towels.

This project compares different liquids and the freezing, melting and boiling points of liquids.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

This science fair project idea determines how your body responds to allergies.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.