What do you think?

This is Miss Martindale’s tricky question:

If I leave bottle of lemonade without the lid on and then re-weigh it after a couple of days will its mass have decreased since the start?? (In other words will the bottle of lemonade get lighter if I leave the lid off?)

What is your prediction? Can you explain WHY you think that?

We will find out later in the week.

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11 Responses so far »

  1. 1

    udeshpalmann said,

    i think that it will get lighter because if the sun was out it will get lighter and the lemonade will get smaller and smaller.

  2. 3

    kamal said,

    I think it will get lighter because the sun would dry it up

  3. 4

    kyle said,

    that monkay is verry ichey

  4. 5

    I think Udeshpal and Kemal are thinking of evaporation. What if the bottle was inside. Would the sun still ‘dry it up’ / evaporate the liquid?

    What is in the bottle as well as a liquid? Will it leave the bottle? Does it have a mass?

  5. 6

    udeshpalmann said,

    If the bottle was inside then i think it will evaporate a tiny small bit but it won’t get lighter

  6. 7

    max@4m said,

    I think it will get lighter because the sun will make all the fizz go

  7. 8

    shawon said,

    I think it will get lighter because the sun will make it all go.

  8. 9

    udeshpalmann said,

    if it was in shade inside then it won’t evaporate

  9. 10

    We will find out at school!

  10. 11

    ismaeel said,

    I think it would stay the same


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