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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Students will investigate the illumination durations and intensities of different luminous substances of different colors of the spectrum.

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.

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 fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea studies the differences in gender perception between people.

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

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

People have favorite flavors, but what about ants? Which ant food is the most popular?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

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.

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

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

This project examines the concentration of dissolved oxygen in water, with and without oil.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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.