7 - Lesson 12 Chemical Reaction Vocab

7 - Lesson 12 Chemical Reaction Vocab

Assessment

Flashcard

Science

7th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an exothermic reaction?

Back

A chemical reaction that releases more energy to the surroundings than it absorbs.

2.

FLASHCARD QUESTION

Front

What is a clinical trial?

Back

A type of test that medical scientists perform to assess a medicine's effectiveness.

3.

FLASHCARD QUESTION

Front

What is an endothermic reaction?

Back

A chemical reaction that absorbs more energy from the surroundings than it releases.

4.

FLASHCARD QUESTION

Front

What is a chemical equation?

Back

A shorthand notation made up of arrows and chemical formulas for reactants and products that summarizes what happens during a chemical reaction.

5.

FLASHCARD QUESTION

Front

What is a reactant?

Back

A substance that exists before a chemical reaction takes place and changes as a result of the reaction.

6.

FLASHCARD QUESTION

Front

What is a product in a chemical reaction?

Back

A substance that is formed as a result of a chemical reaction.

7.

FLASHCARD QUESTION

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it is conserved.

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