Chapter 3, Quiz 2 - Atoms & Changes

All matter is made up of small particles called ____________.

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Matter that is made up of only one kind of atom.

• compound

• molecule

• element

• mixture

When atoms join other atoms they form particles called _____________.

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A molecule formed by combining different elements together is called a _____________.

• solution

• mixture

• particle

• compound

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When atoms from two or more elements or compounds combine to form a NEW substance.

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NGSS.MS-PS1-2

Which ones are chemical changes?

• burning wood in a campfire

• breaking a plate

• making brownies

• cutting paper with scissors

• digesting food

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Which ones are physical changes?

• making origami

• gasoline burning in an engine

• rust on a hammer

• inflating a football

• boiling water

Every molecule of a compound is chemically identical.

• True

• False

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A compound has a new identity from the elements that formed it.

• True

• False

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How does a molecule of water and a molecule of oxygen differ?

• one is a compound and one is a molecule

• one is made of two elements and one is made of one element

• they are both most commonly found as liquids

• they both are made of more than one element

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