Matter and Its Interactions

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Anything that has matter and takes up space.
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What is matter?
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The smallest unit of an element that retains the properties of that element.
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What are atoms?
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It occurs when a gas changes to a liquid. Liquids lose heat and freezes into a solid.
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How does condensation occur?
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When a solid substance skips the liquid state of matter when turning into a gas; the change of state directly from a solid to a gas.
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What is sublimation?
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Solids, liquids, and gases.
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What are the phases of matter?
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It alters the form of an object, but does not change what type of matter it is.
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What is a physical change?
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When a substance combines with another to form a new substance.
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What is a chemical change?
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Crushing a can, a tossed salad, boiling water.
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Examples of physical change.
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Rusting of iron, cooking an egg, mixing baking soda and vinegar to produce a carbon dioxide gas.
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Examples of chemical change.
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The molecules gain energy and escape the liquid's surface. The added energy causes the liquid water to become a gas called water; the slow change from a liquid to a gas.
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How does evaporation occur?
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