Midterm Practice Test

Midterm Practice Test

Assessment

Flashcard

Science

8th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the result of substances being combined in a chemical reaction?

Back

Product

2.

FLASHCARD QUESTION

Front

What do you call two or more substances combined physically (not chemically) that can be separated through physical means?

Back

Mixture

3.

FLASHCARD QUESTION

Front

What is the average atomic mass of Mercury?

Back

200.59

4.

FLASHCARD QUESTION

Front

What type of chemical reaction occurs when two or more reactants are combined to create a more complex product?

Back

Synthesis

5.

FLASHCARD QUESTION

Front

How do you calculate the density of a substance?

Back

Density = Mass/Volume

6.

FLASHCARD QUESTION

Front

What is a catalyst in a chemical reaction?

Back

A substance that increases the rate of a chemical reaction without being consumed.

7.

FLASHCARD QUESTION

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

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