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What we did first is Mom had to prepare 10 petri dishes by filling them up with melted agar. Then, she had to quickly put lids on the dishes and let them sit for one hour to solidify ( I had to guard the dishes from our cat). Next, we put 2 dishes outside on the porch with their lids off for one hour to gather bacteria, and put the lids back, next we flipped them upside down until later. The other 8 were for other later experiments.
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| The bottle that's in the picture is agar |
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| The petri dishes on the back porch. |
When we were ready for the experiment, we put the dishes in the attic for 4-7 days. When we brought the dishes out, bacteria colony's were in the dishes!! AAWWEESSOOMMEE!!!!!!!!
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| Dish 1 (Four days in the Attic.) |
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| Dish 2 (Four days in the attic.) |
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| Dish 2 (One week in the attic.) |
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| Dish 1 (One week in the attic.) |
Next, we had to add cleaning chemicals on sensitivity squares. The cleaning chemicals we chose were, hand soap, dishwashing soap, rubbing alcohol, and kaboom foamtastic. Then we put the sensitivity squares in dish 2, dish 1 is our control. Finally, we put the dishes back in the attic for a few more days.
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| The letters D, H, A and K stand for dishwashing soap, hand soap, alcohol and kaboom foamtastic. |
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| These are the squares soaking in the chemicals. |
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I hope you enjoyed this post, please give it a like and comment.
I will see you in the next post. BYE!!!! :-) <3
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