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Investigate which substances are most effective at removing salt from water.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

This project researches whether the type of land use affects the water quality of Queenstown Creek.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Construct batteries that make electricity from fruits with this fun science fair project.

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

Use a fish tank to simulate a pond! This science fair project explores the relationship between acid rain and the dissolved oxygen concentration of water.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Melt the ice, but save the lawn. The objective of this science fair project is to explore the effects of different substances on melting ice.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

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.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

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

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.