7.2 Lesson 1-4 Flashcard Review

Front

What is the most effective method to heat up food?

Back

Using an MRE Heater, which has an overall temperature change of 58 degrees.

Front

What type of chemical reaction gives off heat?

Back

Exothermic reaction.

Front

What is the process of heat transfer by the circulation or movement of a liquid or gas called?

Back

Convection.

Front

What do we call our design model when planning a 'build'?

Back

Prototype.

Front

What is the main objective of a flameless heater design?

Back

To make food hot enough to eat.

Front

What is conduction?

Back

The transfer of heat through direct contact between materials.

Front

What is radiation in terms of heat transfer?

Back

The transfer of heat through electromagnetic waves.

Front

Define endothermic reaction.

Back

A chemical reaction that absorbs heat, causing the temperature to decrease.

Front

What is the purpose of a prototype in design?

Back

To create an initial model for testing and evaluation.

Front

What is the difference between exothermic and endothermic reactions?

Back

Exothermic reactions release heat, while endothermic reactions absorb heat.