Tuesday, September 7, 2010

Using a straw to pull liquid up?





Hi P3 Charity pupils, do the simple experiment and answer the following questions:

1. When you drink liquid from a cup using a straw, are you really pulling the liquid up?
2. Explain why the liquid can travel up the straw and reach your mouth?(hint: related to air and pressure)
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9 comments:

  1. Veronica peolSeptember 9, 2010 at 9:56 AM

    1.yes.2.it is because when we use air pressure to suck the liquid up and air when we release the liquid.


    The experiment was interesting!!!

    ReplyDelete
  2. penkeySeptember 9, 2010 at 7:11 PM

    yes.

    ReplyDelete
  3. BrendanSeptember 9, 2010 at 8:55 PM

    Yes, I agree.

    ReplyDelete
  4. ClarissaSeptember 11, 2010 at 1:37 PM

    Yes because when we use our body are related
    to air and pressure. the experiment was fun!!!!!!!!!!!

    ReplyDelete
  5. ClarissaSeptember 11, 2010 at 1:41 PM

    I mean, when we use air and pressure to suck the liquid up and air when we release the liquid.

    ReplyDelete
  6. niru giriSeptember 12, 2010 at 5:10 PM

    the anwer is 2

    ReplyDelete
  7. sabrinaahSeptember 12, 2010 at 10:42 PM

    THE ANS IS 2

    ReplyDelete
  8. Meira AyuniSeptember 13, 2010 at 9:43 AM

    1.yes,we are 2.we use air pressure to suck the liquid up and air when we release the liquid.

    I tried the experiment and it was fun but I don't like water!!!!!!!!!!!! Ha ha ha!

    ReplyDelete
  9. sabrinaahOctober 29, 2010 at 8:03 PM

    It was fun

    ReplyDelete

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