Transcript Slide 1

What do these two
have in common?
How quickly can Bacteria
Multiply?
1.
2.
8 cups on your desk.
Handful of rice
Bacteria reproduces every 20 minutes, by dividing
into two cells. Throughout this lesson we will
simulate how bacteria multiply.
Now place one piece of bacteria (rice) into an
empty cup.
“Reproduce”, place two pieces of bacteria (rice)
into a second empty cup.
https://www.youtube.com/watch?v=NSK4Wh-7orw
https://www.youtube.com/wa
tch?v=KXWurAmtf78
Bacteria Review:
https://www.youtube.com/watch?v=
vAR47-g6tlA
http://www.slideshare.net/bethgombert/ba
cteria-power-point?related=3
Benefits of bacteria
https://www.youtube.com/watch?v=EEZSu
wkx7Ik
Survival Needs
Bacteria need a source of food, a way of
breaking down the food to release the
food’s energy, and survival techniques
when conditions in their surroundings
become unfavorable.
Obtaining Food