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Science Fair Project Ideas

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

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This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.
Natural Herbicide vs. Commercial Herbicide
Seventh Grade
Chemistry
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
Seventh Grade
Weather and Climate
In this science fair project, students make their own rain gauge to measure rainfall.
DIY Rain Gauge
Seventh Grade
Weather and Climate
In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!
Self-Inflating Balloons
Seventh Grade
Chemistry
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Can You Cook Using Only Sunlight?
Seventh Grade
Weather and Climate
This experiment examines whether storing your orange juice at different temperatures affects its acidity.
Does Storage Temperature Affect Orange Juice's Acidity?
Seventh Grade
Chemistry
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Antacid Potentcy
Seventh Grade
Chemistry
In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.
Symbiosis: Plants, Nitrogen, and Bacteria
Seventh Grade
Chemistry
In this science fair project, students find out how color affects how hot something gets.
Do Some Colors Create More Heat than Others?
Seventh Grade
Weather and Climate
Science fair project that determines which foods and drinks contain the highest amount of glucose.
Testing Glucose Levels
Seventh Grade
Chemistry
Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.
Does Tea Stain your Teeth?
Seventh Grade
Chemistry
see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?
Do All Liquids Evaporate At The Same Rate?
Seventh Grade
Chemistry
Thermometers are how we measure temperature, and we've all heard the terms 'centigrade' and 'Fahrenheit' tossed around, but what do they really mean?
Centigrade and Fahrenheit: What Do They Really Mean?
Seventh Grade
Weather and Climate
How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.
How Much Gas Does Your Favorite Beverage Produce?
Seventh Grade
Chemistry
Science fair project that uses distillation to convert salt water into fresh water.
Distilling Water
Seventh Grade
Chemistry

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