Science 7 Final Exam Review

Science 7 Final Exam Review

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the movement of atoms and molecules in a solid?

Back

Atoms and molecules in a solid shake back and forth in place.

2.

FLASHCARD QUESTION

Front

What is an inhibitor in a chemical reaction?

Back

An inhibitor is a substance that slows down or prevents a chemical reaction.

3.

FLASHCARD QUESTION

Front

How is temperature measured?

Back

Temperature is usually measured in degrees with a thermometer.

4.

FLASHCARD QUESTION

Front

What determines whether a substance is a solid, liquid, or gas?

Back

Whether a substance is a solid, liquid, or gas depends on how close its atoms are to one another and how free the atoms are to move.

5.

FLASHCARD QUESTION

Front

What is a catalyst?

Back

A catalyst is a substance that speeds up a chemical reaction without being consumed in the process.

6.

FLASHCARD QUESTION

Front

What is the definition of a molecule?

Back

A molecule is a group of two or more atoms bonded together.

7.

FLASHCARD QUESTION

Front

What is the difference between a solid and a liquid?

Back

In a solid, atoms are closely packed and vibrate in place, while in a liquid, atoms are close but can flow past one another.

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