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Laabri

MRE Test2

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Last updated over 3 years ago
17 Nsɛmmisa
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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

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

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2.

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

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3.

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).

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4.

Most people enjoy bathing in water that is degrees Fahrenheit.

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5.

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

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6.

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

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7.

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

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8.

How many elements are in CuSO4?

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9.

How many atoms are in CuSO4?

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10.

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

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11.

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

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12.

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

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13.

The design process has steps.

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14.

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

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15.

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

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16.

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

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17.

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