Chemical vs. Physical Changes in matter

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What is a Physical Change?

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A Physical Change is a change in which the form or appearance of matter changes, but its chemical composition remains the same. Examples include melting, freezing, and dissolving.

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What is a Chemical Change?

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A Chemical Change is a change that results in the formation of new chemical substances. It involves a change in the chemical composition of the substance. Examples include rusting, burning, and cooking.

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Is shredding a piece of paper a Chemical Change or a Physical Change?

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Shredding a piece of paper is a Physical Change.

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Is dissolving sugar in water a Chemical Change or a Physical Change?

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Dissolving sugar in water is a Physical Change.

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What happens to a copper penny over time?

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A copper penny can turn greenish due to a Chemical Change called oxidation.

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Is ice melting a Chemical Change or a Physical Change?

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Ice melting is a Physical Change.

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Is boiling water a Chemical Change or a Physical Change?

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Boiling water is a Physical Change.

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What are some examples of Physical Changes?

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Examples of Physical Changes include melting ice, boiling water, shredding paper, and dissolving salt in water.

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What are some examples of Chemical Changes?

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Examples of Chemical Changes include burning wood, rusting iron, baking a cake, and souring milk.

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What is the difference between a Physical Change and a Chemical Change?

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The main difference is that a Physical Change does not change the chemical composition of a substance, while a Chemical Change does.