Stickler #7 Review

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What is a Chemical Change?

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A process where substances combine or break apart to form new substances, often indicated by changes such as color, temperature, or the production of gas.

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What is a Physical Change?

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A change that affects one or more physical properties of a substance without altering its chemical composition, such as melting or freezing.

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What is Sifting?

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A method used to separate solids of different sizes by passing them through a sieve or mesh.

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What is Filtration?

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A process used to separate solids from liquids or gases using a filter that allows only the fluid to pass through.

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What is Boiling Point?

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The temperature at which a liquid turns into vapor, indicating that it is boiling.

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What are Chemical Properties?

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Characteristics that describe how a substance interacts with other substances, such as reactivity and flammability.

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What are Physical Properties?

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Characteristics that can be observed or measured without changing the substance's chemical identity, such as color, mass, and volume.

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What is Evaporation?

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The process by which liquid turns into vapor at temperatures below its boiling point.

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What is Condensation?

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The process by which vapor turns into liquid, often seen as droplets on a cold surface.

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What is Magnetism?

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A force that can attract or repel certain materials, often used to separate magnetic materials from non-magnetic ones.