8th Science GMAS Review

8th Science GMAS Review

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Jonathan Scruggs

FREE Resource

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50 questions

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1.

FLASHCARD QUESTION

Front

What is the relationship between atoms and molecules?

Back

Molecules are groups of atoms bonded together

2.

FLASHCARD QUESTION

Front

Which statement about pure substances is correct?

Back

Pure substances contain only one type of atom or molecule

3.

FLASHCARD QUESTION

Front

How are homogeneous mixtures different from heterogeneous mixtures?

Back

Homogeneous mixtures are uniform throughout

4.

FLASHCARD QUESTION

Front

Which subatomic particle can leave an atom?

Back

Electrons

5.

FLASHCARD QUESTION

Front

What is a key characteristic of compounds?

Back

They require chemical reactions to break apart

6.

FLASHCARD QUESTION

Front

Which phase of matter has particles that are packed together tightly and only vibrate in place?

Back

Solid

7.

FLASHCARD QUESTION

Front

What happens to matter when energy is added or removed?

Back

It changes phase

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