In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

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.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This science fair project will help students learn about non-vascular plants, such as mosses.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This project compares the strength of one, two, and three-ply toilet paper.

In this science fair project, students use the streak test to tell minerals apart from each other.

In this project students experiment with making music using only glasses of water.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This science fair project examines how seeds hitchhike on animals and clothing.

Do different types of oil mix or stack? Find out in this science fair project idea!

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This science fair project idea investigates how magnetism can defy the force of gravity.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This project examines whether people's taste perception is influenced by what they see.

In this project children practice the scientific method while playing with puffy paint.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.