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Eighth Grade Earth & Space Science - Science Fair Project Ideas

Great selection of eighth grade science fair project ideas. These science fair projects can help you find eighth grade level ideas for your science fair.

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Eighth Grade Earth & Space Science
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In this science fair project, students create their own miniature salt flats at home.
Create Your Own Miniature Salt Flats!
Eighth Grade
Geology
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Flow Rate and Plant Growth
Eighth Grade
Ecology
In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.
How do Crystals Form?
Eighth Grade
Geology
In this science fair project, students will use four different household objects to see which ones form the most or best crystals.
Substrate City: What Household Objects Form the Best Crystals?
Eighth Grade
Geology
In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.
Popcorn Pumice: Exploring Different Rock Densities
Eighth Grade
Geology
In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.
How Does Heat and Pressure Create Metamorphic Rocks?
Eighth Grade
Geology
In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.
When Air Masses Collide
Eighth Grade
Earth & Space Science
In this science fair project, students make their own rain gauge to measure rainfall.
DIY Rain Gauge
Eighth Grade
Weather and Climate
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Can You Cook Using Only Sunlight?
Eighth Grade
Weather and Climate
Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.
How do Culverts Afffect Plant Growth in Streams?
Eighth Grade
Earth & Space Science
Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?
Crystal Fudge
Eighth Grade
Geology
In this science fair project, students find out how color affects how hot something gets.
Do Some Colors Create More Heat than Others?
Eighth Grade
Weather and Climate
In this 'paper and pen' science fair experiment, students will research the difference between standard time and astronomical mean time.
What is Astronomical Mean Time?
Eighth Grade
Earth & Space Science
Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.
Starry Night: What Affects the Visibility of Stars at Night?
Eighth Grade
Astronomy
Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.
Carbon Dioxide Concentrations
Eighth Grade
Ecology

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