Amplify Science Modeling Matter Review

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What is matter?

Back

Matter is anything that has mass and takes up space. It can exist in different states, such as solid, liquid, and gas.

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What are the three states of matter?

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The three states of matter are solid, liquid, and gas. Solids have a fixed shape, liquids take the shape of their container, and gases fill the entire space available.

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What happens to water when it freezes?

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When water freezes, it changes from a liquid to a solid state, forming ice. The amount of water remains the same.

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How can you identify a substance?

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You can identify a substance by observing its properties, such as color, texture, smell, and how it reacts with other substances.

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What is a physical change?

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A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

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What is a chemical change?

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A chemical change occurs when a substance transforms into a different substance with different properties, often involving a reaction.

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What is solubility?

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Solubility is the ability of a substance to dissolve in a solvent, such as water. It is a key property in identifying substances.

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What is an example of a gas?

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An example of a gas is air, which is a mixture of gases including oxygen and nitrogen.

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What is the process of evaporation?

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Evaporation is the process by which liquid water turns into water vapor (gas) when it is heated.

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What is condensation?

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Condensation is the process by which water vapor (gas) cools and turns back into liquid water.