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The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

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.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

This science fair project idea examines whether people can decode scrambled messages.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Science fair project that determines whether moths are attracted to one color of light more than others.

Think about the adaptive utility of an important aspect of our physiology.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project idea determines what household items are good conductors of electricity.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!