8th  2nd Quarter Nine Weeks Review 24

8th 2nd Quarter Nine Weeks Review 24

Assessment

Flashcard

Physics

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a compound?

Back

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

2.

FLASHCARD QUESTION

Front

Which of the following is not a compound: HCl, Cl, NaCl, CO2?

Back

Cl is not a compound; it is an element.

3.

FLASHCARD QUESTION

Front

What is the function of the ozone layer?

Back

The ozone layer blocks ultraviolet radiation from the sun.

4.

FLASHCARD QUESTION

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

5.

FLASHCARD QUESTION

Front

What type of information does Perseverance NOT send back to Earth?

Back

Perseverance does not send back actual rock samples.

6.

FLASHCARD QUESTION

Front

In which layer of the atmosphere does weather occur?

Back

Weather occurs in the troposphere.

7.

FLASHCARD QUESTION

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout.

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