PD6 - MRMS MP2: 2025: Exothermic/Endothermic Flashcard

PD6 - MRMS MP2: 2025: Exothermic/Endothermic Flashcard

Assessment

Flashcard

Science

7th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs heat from its surroundings, resulting in a decrease in temperature.

2.

FLASHCARD QUESTION

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat to its surroundings, resulting in an increase in temperature.

3.

FLASHCARD QUESTION

Front

What happens to energy during evaporation?

Back

Evaporation is an endothermic process where energy is absorbed from the surroundings to convert liquid into vapor.

4.

FLASHCARD QUESTION

Front

What is the significance of heat in chemical reactions?

Back

Heat indicates whether a reaction is endothermic (absorbs heat) or exothermic (releases heat).

5.

FLASHCARD QUESTION

Front

What is the equation for the combustion of methane?

Back

CH4 + 2O2 → 2H2O + CO2 + heat.

6.

FLASHCARD QUESTION

Front

What type of reaction is combustion?

Back

Combustion is an exothermic reaction because it releases heat.

7.

FLASHCARD QUESTION

Front

How can you identify an exothermic reaction from a graph?

Back

In an exothermic reaction graph, the products have lower energy than the reactants, indicating heat release.

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