MRE Test2

Last updated about 3 years ago

17 questions

Required

MRE Test2

Last updated about 3 years ago

17 questions

Required

What do the letters M.R.E. stand for?

Required

List 3 ways you know a chemical change/reaction happened when we added water to our flameless heater?

Required

In order for food to stay fresh and not freeze your fridge stays in the temperature range of_______ to _______ (don't forget the symbols for temp scale you used).

Required

Most people enjoy bathing in water that is _______ degrees Fahrenheit. 

Required

_______ is the temperature when water begins to scald the human skin (don't forget units).

Required

Food-born diseases can happen when food is left out in the " _______" range between _______  degrees F and _______ degrees F.

Required

What is the chemical formula for root killer (copper sulfate)?

Required

How many elements are in CuSO4?

Required

How many atoms are in CuSO4?

Required

Salt water is NOT a mixture, rather it is a chemical compound.

Required

Is copper sulfate, aluminum foil, and salt water an example of endothermic or exothermic reactions?

Required

Explain how you know the answer to the question: is copper sulfate, aluminum foil, and salt water an exothermic or endothermic reaction?

Required

The design process has _______ steps.

Required

Pick one of the design process steps and tell me three ways we applied that step to redesigning our MRE heater.

Required

In the golden zone, what is the amount of Aluminum Foil we should use?

Required

In the golden zone, what is the amount of Copper Sulfate should we use?

Required

MRE Test2

MRE Test2

What do the letters M.R.E. stand for?

List 3 ways you know a chemical change/reaction happened when we added water to our flameless heater?

What is the chemical formula for root killer (copper sulfate)?

How many elements are in CuSO4?

How many atoms are in CuSO4?

Salt water is NOT a mixture, rather it is a chemical compound.

Is copper sulfate, aluminum foil, and salt water an example of endothermic or exothermic reactions?

Explain how you know the answer to the question: is copper sulfate, aluminum foil, and salt water an exothermic or endothermic reaction?

Pick one of the design process steps and tell me three ways we applied that step to redesigning our MRE heater.

In the golden zone, what is the amount of Aluminum Foil we should use?

In the golden zone, what is the amount of Copper Sulfate should we use?

In the golden zone, how much salt water should we use?

What do the letters M.R.E. stand for?

List 3 ways you know a chemical change/reaction happened when we added water to our flameless heater?

What is the chemical formula for root killer (copper sulfate)?

How many elements are in CuSO4?

How many atoms are in CuSO4?

Salt water is NOT a mixture, rather it is a chemical compound.

Is copper sulfate, aluminum foil, and salt water an example of endothermic or exothermic reactions?

Explain how you know the answer to the question: is copper sulfate, aluminum foil, and salt water an exothermic or endothermic reaction?

Pick one of the design process steps and tell me three ways we applied that step to redesigning our MRE heater.

In the golden zone, what is the amount of Aluminum Foil we should use?

In the golden zone, what is the amount of Copper Sulfate should we use?

In the golden zone, how much salt water should we use?