Ninth Grade, Chemistry Science Projects (41 results)
An experienced chemistry professor used to say that it took about one explosion per week to maintain college students' attention in chemistry lectures. At that rate, we'd get in pretty big trouble with a lot of parents and teachers! Don't worry, we still have lots of bubbles, fizzes, bangs, and color changes for you to explore.
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Solar cells are popping up on rooftops everywhere these days and are a model for clean, renewable energy.
Did you ever look at those solar panels and wonder how we can get electricity produced by solar cells
when the sun is not shining? It is a great question because solar panels do not produce electricity when
it is dark outside. One strategy to overcome this challenge is to store the energy produced by solar
cells during the day in the form of a fuel that can be used at a later time. In…
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Yeast contains an enzyme, called catalase, that acts as a catalyst for the reaction that breaks down hydrogen peroxide into oxygen and water (2H2O22H2O + O2). Safety note: oxygen is a highly reactive gas, adult supervision recommended for this project. For your background research, be sure that you understand substrate, catalyst, reaction rate, catalase, enzyme saturation and protein denaturation. Use a solution of 3% H2O2 for the substrate. Construct an apparatus that allows you to collect…
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The iodine clock reaction is a favorite demonstration reaction in chemistry classes. Two clear liquids are mixed, resulting in another clear liquid. After a few seconds, the solution suddenly turns dark blue. The reaction is called a clock reaction because the amount of time that elapses before the solution turns blue depends on the concentrations of the starting chemicals. In this chemistry project, you will explore factors that affect the rate of the iodine clock reaction and can even record…
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Have you ever watched your parents dress up for a big evening? They may even splash on a bit of aftershave cologne or dab on some perfume since it is special occasion. But did you know that using perfume and scents is an ancient activity? Perfumes and the art of making perfume is an art that is thousands of years old. In this chemistry science fair project, you will learn more about one way to make perfume, called enfleurage, and experiment with it to extract your own floral scents.
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Many essential chemical reactions and natural biochemical processes occur in liquid solutions, so understanding the chemical properties of liquid solutions is fundamentally important. This project asks the basic question, how much of a substance can dissolve in water, for three different substances: ordinary table salt, Epsom salts, and sugar.
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You have probably heard the saying that "water and electricity don't mix." Well, in this chemistry science fair project you will mix them, to create two solutions, one basic and one acidic. The apparatus is very simple, but the chemistry is complex and offers many avenues for exploration.
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