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Mixtures and pure substances

Authored by Krystal Gill

Science

7th Grade

NGSS covered

Used 11+ times

Mixtures and pure substances
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

the smallest unit of an element that maintains the properties of the element.

Element

pure substance

mixture

atom

Tags

NGSS.MS-PS1-1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

made up of one or more of the same kind of atom chemically combined.

Element

pure substance

mixture

atom

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

made up of different kinds of atoms chemically combined

Element

pure substance

compound

atom

Tags

NGSS.MS-PS1-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.

Element

pure substance

compound

atom

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

contains a variety of elements and compounds that are not chemically combined with each other.

Element

mixture

compound

atom

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a mixture that does not have uniform composition and can easily be separated.

heterogenous mixture

homogenous mixture

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a mixture that does have uniform composition and can not easily be separated.

heterogenous mixture

homogenous mixture

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