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Feb 16 2013

bacteria puzzle 7y1 (no prizes now – unclaimed!)

Posted by woodchurchscience in biology, fun stuff, ks3, ks4, warren

a scientist is experimenting with bacteria that are one micron in diameter and that reproduce by dividing every minute into two bacteria. at 12:00pm, he puts a single organism in a container. at precisely 1:00pm, the container is full. at what time was the container half full?
bacteria 18 answers in and here are the 10 winners: callum arthur, lois keeler, jordan morton, hannah thomas, megan wilson, amber clair, callum ebbs, luke hillan, megan downey, and sean burrell. collect your prizes after half term!

This entry was posted on Saturday, February 16th, 2013 at 8:00 am and is filed under biology, fun stuff, ks3, ks4, warren. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

21 Responses to “bacteria puzzle 7y1 (no prizes now – unclaimed!)”
  1. Ben Wagstaff says:
    January 22, 2013 at 6:17 pm

    I think the answer to this puzzle is 12.30PM

  2. luke carter says:
    January 22, 2013 at 6:56 pm

    12:30pm
    from luke carter

  3. Sean Patterson says:
    January 23, 2013 at 5:00 pm

    12:30

  4. Miles Thomas says:
    January 23, 2013 at 5:30 pm

    6:30am

  5. Luke Hillan says:
    January 23, 2013 at 9:07 pm

    sorry it’s 12:59!!!!!

  6. Tom Harrop says:
    January 23, 2013 at 10:04 pm

    59 minutes when container is half full.

  7. callum ebbs says:
    January 23, 2013 at 10:31 pm

    12:59 pm

  8. chris butler says:
    January 24, 2013 at 5:17 pm

    half past twelve

  9. Boo says:
    January 24, 2013 at 6:45 pm

    120

  10. Boo says:
    January 24, 2013 at 6:45 pm
  11. Megan Downey says:
    January 24, 2013 at 8:04 pm

    New answer: 12:59.

  12. woodchurchscience says:
    January 24, 2013 at 8:40 pm

    please reply with your correct full name…

  13. Amber clare says:
    January 24, 2013 at 10:34 pm

    It was half full at 12:59 pm

  14. sean burrell says:
    January 25, 2013 at 5:26 pm

    the answer is 12:59 i have changed my answer me

  15. Megan Wilson says:
    January 27, 2013 at 5:56 pm

    The container was half full at 12:59pm

  16. hannah thomas says:
    January 28, 2013 at 6:32 pm

    the answer is 12:59

  17. Cieran Clarke says:
    January 28, 2013 at 9:23 pm

    It was half full at 59 minutes

  18. Jordan says:
    January 28, 2013 at 9:42 pm

    12:59pm

  19. lois keeler says:
    January 30, 2013 at 10:09 pm

    12:59

  20. Callum Arthur says:
    February 5, 2013 at 8:26 am

    The answer is 12:59

  21. Brandon Jones says:
    February 8, 2013 at 1:31 pm

    12:30

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