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# Mini-Quiz: Heat Energy Required to Turn Ice into Steam

by Ron Kurtus (revised 6 October 2005)

Take this Mini-Quiz to check your understanding of the lesson material.

1. Which material requires the least energy to change its temperature 2 degrees?

Ice, because it is colder

Water, because its specific heat is highest

Steam, because its specific heat is lowest

2. If you took 160 calories from 2 grams of water at 0 degrees C, how much water would there be left?

None, because it all turned to ice

1 gram, because it would be half ice and half water

2 grams, but the temperature would be much colder

3. Do these same principles apply when melting a metal like iron?

No, because iron is magnetic

No, because the principles only apply to water

Yes, because the principles apply to all materials

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

## Resources and references

Ron Kurtus' Credentials

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Specific Heat Equations - Wolfram Science World

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mini-quiz_heat_ice_steam.htm

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