Chemical Reactions in Heating Devices

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

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

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

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

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

Front

What did you notice about how an MRE heater activates?

Back

It activates by adding water.

Tags

NGSS.MS-PS1-4

Front

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

Back

It is highly flammable, especially in powdered form.

Front

What is the most recent action we did as "Engineers."

Back

Research

Tags

NGSS.MS-ETS1-4

Front

How are the Bath Bomb and the Flameless Heater considered RELATED Phenomena?

Back

Both produced bubbles and gas.

Tags

NGSS.MS-PS1-2

Front

What is an endothermic reaction?

Back

A reaction that absorbs heat

Tags

DOK Level 1: Recall