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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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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
Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.
Astronomy
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 use hot and cold water to simulate what happens when a warm front meets a cold one.
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
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
In this science fair project, students make their own rain gauge to measure rainfall.
Weather and Climate
Fourth Grade
Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.
Weather and Climate
Second Grade

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