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Science Fair Project Ideas

Find the astronomy and weather and climate science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Weather and Climate
Second Grade
What is a hygrometer?  It's a device that measure humidity. Learn how to make a hygrometer in this free science fair project idea. Great project for kids.
Weather and Climate
Middle School
Here is a fun science fair project idea for elementary school that explores and demonstrate a total and partial solar eclipse when the Moon covers the Sun.
Astronomy
Elementary School
In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
Weather and Climate
Middle School
How do clouds form? Can clouds be made manually? In this free science fair project, you can make clouds using simple materials.
Weather and Climate
Middle School
What is Coriolis force? Do this free science fair project and explore the physics of the Coriolis effect.  A great science project for middle school students.
Weather and Climate
Middle School
What is an anemometer?  It's a device use to measure wind speed. Learn how to make an anemometer in this free science fair project.
Weather and Climate
Middle School
In this science fair project, students make their own rain gauge to measure rainfall.
Weather and Climate
Fourth Grade

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