Chemical Reactions in Heating Devices

Chemical Reactions in Heating Devices

Assessment

Flashcard

Science

7th Grade

Hard

NGSS
MS-PS1-2, MS-PS1-5, MS-ETS1-4

+6

Standards-aligned

Created by

Andrew da Costa

FREE Resource

Student preview

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What observations might indicate a chemical reaction is happening inside the MRE heater or hand warmer?

Back

Generation of heat and change in temperature

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2.

FLASHCARD QUESTION

Front

How does the addition of water to the MRE heater contribute to the heating process?

Back

It triggers a chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS1-5

3.

FLASHCARD QUESTION

Front

How do chemical reactions in the MRE heater and the hand warmer differ?

Back

The MRE heater uses a reaction with water to produce heat, while the hand warmer uses air exposure.

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-4

4.

FLASHCARD QUESTION

Front

What should you do first when creating your flameless heater design?

Back

Consider the criteria and constraints of the project.

Tags

NGSS.MS-ETS1-1

5.

FLASHCARD QUESTION

Front

Why is it important to develop an initial model for the flameless heater?

Back

To visualize and explain how the heater will function

Tags

NGSS.MS-ETS1-4

6.

FLASHCARD QUESTION

Front

What did you notice about how an MRE heater activates?

Back

It activates by adding water.

Tags

NGSS.MS-PS1-4

7.

FLASHCARD QUESTION

Front

What is one potential hazard of magnesium powder in the MRE heater?

Back

It is highly flammable, especially in powdered form.

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