Amplify Science Modeling Matter Review

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What is a mixture?

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A mixture is a combination of two or more substances that are not chemically bonded together. An example is milk, which contains water, fat, and proteins.

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What is a molecule?

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A molecule is a group of two or more atoms that are chemically bonded together. For example, a water molecule (H2O) consists of two hydrogen atoms and one oxygen atom.

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What does it mean to explain something?

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To explain something means to describe how it works or why it happens, providing clarity and understanding.

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What does soluble mean?

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Soluble means that a substance can dissolve in water or another liquid. For example, sugar is soluble in water.

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What is an atom?

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An atom is the smallest unit of matter that retains the properties of an element. Atoms are the building blocks of all substances.

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What is an element?

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An element is a pure substance that cannot be broken down into simpler substances by chemical means. Examples include oxygen, gold, and hydrogen.

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What is evidence in science?

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Evidence in science refers to the data or observations that support a claim or hypothesis. It is used to validate scientific explanations.

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What is the difference between a substance and a mixture?

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A substance is a single kind of matter with a uniform composition, while a mixture contains two or more substances that are not chemically combined.

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What is the role of a model in science?

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A model in science is a representation of an idea, object, or process that helps explain or predict how things work.

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What is the process of dissolving?

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Dissolving is the process where a solute (like salt) mixes with a solvent (like water) to form a solution.