Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Take a dive into the candy jar with this yummy science experiment.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Design an improvement for an existing website. Program improved feature, get website owner to implemement new design.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

This project tests the hypothesis that dark colors absorb more heat than light colors.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

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

Discover which battery composition (type) lasts the longest.

Check out this cool science fair project on identifying rocks and minerals for kids.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.