Growing Bacteria – Day/part 2

More Microbes!

After 24 hours our gelatin mixture was set and we were able to collect our samples. If you missed us making the gelatin mixture click here.

To download the free printables with full instructions and requirements click here.

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We decided to collect 8 samples as follows:

  1. Toilet
  2. Mouth
  3. Cat
  4. Feet
  5. Kitchen sink
  6. Headphones
  7. Nose
  8. Control (no sample, to compare)

1 (04 of 13) 1 (05 of 13) We then labeled our containers (we used a piece of paper and sticky-taped to the bottom of each with the word poking out so it was visible). With our containers labelled the kids took cotton tips around to collect the samples and made sure they softly wiped the cotton tip on the correctly labelled container. 1 (06 of 13) 1 (07 of 13) 1 (01 of 1) 1 (08 of 13)

Once we had collected and placed samples in the pots we then used the predictions sheet (included in the Printables) to make predictions about what we thought would happen.

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Now we wait and see if our predictions are correct!




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