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Elements, Compounds, Mixtures - 8th Grade

Authored by Robbie Saint

Chemistry

8th Grade

NGSS covered

Used 17+ times

Elements, Compounds, Mixtures - 8th Grade
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45 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Substances that cannot be broken down chemically into other substances are

elements

compounds

mixtures

solutions

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All elements are composed of extremely small particles called

compounds

mixtures

atoms

molecules

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Soil, salad, and sugar water are all examples of

elements

compounds

mixtures

atoms

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A __________________is formed when two more substances are so evenly mixed that you can't see the different parts.

heterogeneous mixture

compound

homogeneous mixture

fruit salad

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A(n) _____________ is a substance formed from two or more elements that are chemically combined in a set ratio.

compound

mixture

solution

atom

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a(n) ______________ mixture, like a salad, you can see the different parts.

homogeneous

heterogeneous

solution

atom

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The positive particles of an atom are 

electrons 
positrons 
neutrons 
protons 

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