Introduction to Matter

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What is matter?
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Matter is anything that has mass and takes up space.
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What are the three common states of matter?
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The three common states of matter are solid, liquid, and gas.
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How is the state of a solid characterized?
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A solid has a definite shape and a definite volume.
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How is the state of a liquid characterized?
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A liquid has a definite volume but takes the shape of its container.
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How is the state of a gas characterized?
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A gas has no definite shape or volume and expands to fill its container.
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What is mass?
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Mass is the amount of matter in an object.
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What is volume?
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Volume is the amount of space that matter occupies.
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What instruments can be used to measure mass?
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A balance or scale can be used to measure mass.
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What units are commonly used to measure mass?
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Mass is commonly measured in grams or kilograms.
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What is density?
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Density is the mass of a substance per unit volume.
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Why does ice float in water?
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Ice floats in water because its density is less than that of liquid water.
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What is the formula to calculate density?
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The formula to calculate density is mass divided by volume (Density = Mass/Volume).
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What is an example of a physical change in matter?
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An example of a physical change is melting ice into water.
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What is an example of a chemical change?
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An example of a chemical change is the rusting of iron.
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Why is matter important in science?
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Matter is important because it is the substance that makes up all physical objects in the universe.
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