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Matter Vocabulary. Mrs. Miller - 2009. freeze, melt, or evaporate . freeze, melt, or evaporate . When a substance changes in one of these 3 ways, it has made a physical change. chemical changes . chemical changes.

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Matter

Vocabulary

Mrs. Miller - 2009

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freeze, melt, or evaporate

When a substance changes in one of these 3 ways, it has made a physical change.

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chemical changes

What type of changes occur when one or more substances are changed to form a new substance.

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evaporate

When a liquid disappears into a vapor, it is said to _____.

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A new substance is formed

What happens during a chemical change.

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It has turned orange

A shovel has been left outdoors and has rusted. What evidence shows a chemical reaction has taken place?

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Solid

This is a substance that has a definite volume and holds its own shape.

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Liquid

This is matter that takes the shape of its container because it has a definite volume but no definite shape.

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Matter is neither created or destroyed

Matter may undergo changes, but find a statement about matter that is always true.

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reactants

Two or more substances that are put together to make something.

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Gas

A ______ has no definite shape or volume.

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physical changes

Changes in matter that change form but not identity are call ___.

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A new substance is not formed

When two substances are put together, but they keep their own identities, what type of substance forms?

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dissolved

If one substance disappears into another substance when they are mixed, it is said that they are ______.

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heat

Energy that is being given off or absorbed is called _____.

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It will hold its shape

How do you know when something is a solid?

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reaction

Another name for a chemical change is a chemical _______.

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matter

This has mass and volume.

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substances

What things are made of.

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weight

The pull of gravity on matter is called _______.

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Physical properties

Changes in size, shape, odor, and hardness are examples of these.

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