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  1. nininaz's Avatar
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    #1

    Exclamation what is the meaning?

    Specifically, they talked about the nut experiment --- the one where we lit a nut on fire with a match. Did you do that one yet?
    M: The pin! We had to stick a pin in a nut, right? We set fire to the nut and used it to heat up some water. Then we calculated how
    many calories there were in the nut.
    W: Yeah, thatís the one.
    M: Yeah, so did you get the water to heat OK? Could you count the number of calories in the nut?

    what is the meaning of bold context?I don't understand why did heat up 'water' for counting calories in nut?

  2. Barb_D's Avatar
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    #2

    Re: what is the meaning?

    Calories are a measure of energy. It takes energy to heat water. Burning the nut released energy, which heated the water. If you know the precise volume of the water and the precise increase in temperature, you can calculate how much energy was used.
    Last edited by emsr2d2; 26-Apr-2014 at 23:42.
    I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.

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    #3

    Re: what is the meaning?

    I think the phrases in bold type are meant to suggest an extra urgency or forcefulness in the speech, in each case - to show, with the first, that this procedure really surprised them, and in the second, that this is the bit that really mattered to them (for instance when W did the experiment they may not have been able to get enough heat from the burning nut to boil the water).

    My felicitations to Barb_D for the clear explanation of the physics involved - I'm not sure I could have managed that.

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    #4

    Re: what is the meaning?

    Quote Originally Posted by nininaz View Post
    I don't understand why did heat up 'water' for counting calories in nut?
    A calorie is defined as the energy required to raise the temperature of one gramme of water by one degree Celsius.

  3. MikeNewYork's Avatar
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    #5

    Re: what is the meaning?

    @ old gobbo. Are you assuming that the bold type was part of the conversation? I assumed that OP used bold so that he/she could refer to those items in the question.

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    #6

    Re: what is the meaning?

    @MikeNewYork - you are probably quite correct, and I should have read the question more carefully. Sorry.

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