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Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

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

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.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

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

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

In this science fair project, students make their own rain gauge to measure rainfall.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.