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16 Cards in this Set
- Front
- Back
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The objects that undergo a chemical reaction are called ____.
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reactants
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The objects formed from a chemical reaction are called ____.
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products
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In a chemical reaction, the reactants must ____ the products.
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equal
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What is the Law of Conservation of Mass?
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That matter is neither created nor destroyed in a chemical or physical reaction.
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____ is the measure of force of gravity on an object.
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Weight
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____ is the amount of matter in an object.
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Mass
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Weight is measured in SI units called ____.
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newtons
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What is the difference in weight and mass?
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Weight is a measure of attraction of one object to another (gravity); where mass is the measure of matter.
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Weight is measured with a __ ___.
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spring scale
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Mass is measured with a ___.
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balance
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______ is the amount of space matter takes up.
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Volume
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What is the formula for volume?
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L X W X H
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The unit of volume is _____.
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liter
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Name two ways to measure the volume of a liquid?
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1. Use a graduated cylinder
2. Water displacement |
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When measuring with a graduated cylinder, you must read the lowest point of the liquid, which is called the ___.
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meniscus
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How do you measure volume with water displacement?
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1. Take a known amount of water (first reading)
2. Place the object in the water. (the water will rise) 3. Take a second reading of the water. 4. The difference between the first and second reading, is the volume of the object |
