Chemical reactions

Chemical reactions

Assessment

Flashcard

Science

9th Grade

Hard

NGSS
HS-PS1-4, MS-PS1-1, MS-PS1-4

+8

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What are exothermic reactions?

Back

Exothermic reactions are chemical reactions that release energy, usually in the form of heat.

Tags

NGSS.HS-PS1-4

2.

FLASHCARD QUESTION

Front

What are endothermic processes?

Back

Endothermic processes are reactions that absorb energy from their surroundings, often resulting in a temperature decrease.

Tags

NGSS.HS-PS1-4

3.

FLASHCARD QUESTION

Front

What happens to heat in an endothermic reaction?

Back

In an endothermic reaction, heat is taken in or absorbed.

Tags

NGSS.HS-PS1-4

4.

FLASHCARD QUESTION

Front

What is the difference between a chemical change and a physical change?

Back

A chemical change results in the formation of new substances, while a physical change alters the form or appearance of a substance without changing its chemical composition.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

NGSS.MS-PS1-5

5.

FLASHCARD QUESTION

Front

What type of reaction is the melting of ice?

Back

The melting of ice is a physical change.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

6.

FLASHCARD QUESTION

Front

What is complete combustion?

Back

Complete combustion is a chemical reaction where a substance reacts with oxygen to produce carbon dioxide and water, releasing energy.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

7.

FLASHCARD QUESTION

Front

What is the general equation for complete combustion of hydrocarbons?

Back

The general equation is: Hydrocarbon + O2 → CO2 + H2O.

Tags

NGSS.HS-PS1-7

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