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What is a change in matter that produces one or more new substances? |
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What is anything that has mass and takes up space? |
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What is the study of matter and how it changes? |
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What is a characteristic of a substance that can combine to form a complex substance? |
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What is the number in front of the chemical formula? |
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What is a solid that forms from a solution during a chemical reaction? |
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What is the type of reaction in which energy is absorbed? |
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What type of reaction releases energy? |
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The substances you have at the beginning or new materials added during the chemical reaction? |
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When a reaction is complete, what are the substances called? |
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True or False
You could use water to put out a small fire |
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True or False
You could use salt to put out a small fire |
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True or False
You could use baking soda to put out a small fire |
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True or False
You could use oxygen to put out a small fire |
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What states that chemical equations must be balanced? |
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What do inhibitors prevent? |
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Is meat spoiling a chemical change or physical change |
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Is water freezing a chemical or physical change? |
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Is mercury rising a chemical change or physical change? |
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Is butter softening a chemical change or a physical change? |
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What do you call the energy required to start a chemical reaction? |
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What material slows down the rate of a chemical reaction? |
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What is a biological catalyst that can be found in the cells of your body? |
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What is coal an example of? |
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What is the reaction between oxygen and fuel? |
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When matter IS allowed to enter and leave, it is called what kind of system? |
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When matter is NOT allowed to enter and leave, it is called what kind of system? |
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