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High School Science Fair Project Ideas

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

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Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.
Comparing Infrared and Air Temperature
High School
Middle School
Science fair project that helps you build your own solar oven in order to learn more about solar energy.
Solar Oven Design
Seventh Grade
Eighth Grade
This science project examines the thermal properties of several major greenhouse gases.
Greenhouse Gases
High School
Earth & Space Science
Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?
Leaf Pigments
Seventh Grade
Eighth Grade
Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.
Carbon Dioxide Concentrations
Seventh Grade
Eighth Grade
Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.
Soil Ecology
Fifth Grade
Sixth Grade
The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.
Locating the Center of the Universe Using Globular Clusters
Eleventh Grade
Hard
Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.
Comparing Composting Methods
Fifth Grade
Sixth Grade
Science fair project which compares the quantity of cells in the different phases of mitosis by observing the cells of an onion root tip.
Rates of Mitosis in Onion Root Tips
Ninth Grade
Tenth Grade
Science fair project that examines the biodiversity of ant populations in various locations.
Ant Biodiversity
Ninth Grade
Tenth Grade
Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.
Photosynthesis of Elodea
Seventh Grade
Eighth Grade
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Invertebrate Ecology
Fifth Grade
Sixth Grade
Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.
Comparing Leaf Stomata
Ninth Grade
Tenth Grade
Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?
Rates of Photosynthesis
Seventh Grade
Eighth Grade
Science fair project that observes hemoglobin synthesis in the small crustacean species Daphnia Magna.
Hemoglobin Synthesis
Ninth Grade
Tenth Grade

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