Period 8:  Today we completed the 27-Review and worked on the 27-TB Review.  Complete the 27-TB Review if necessary (or absent) on p. 796, #11-18 and p. 798, #1-9, and p. 799, #10-16.  Study for the 27-Test!

Periods 2 and 3:  Today we checked our 27-TB Review and watched the first part of WALL-E.  Study for your 27-Test!  (If absent, check your TB Review answers below)

Periods 4 and 6:  Today we checked our 27-Review and our 27-TB Review.  Study for your 27-Test!  (If absent, check your TB Review answers below).

Period 1:  No class today. :-{(>

p. 796
11. B. 12. C. 13. C. 14. B. 15. C. 16. C. 17. B. 18. A

p. 798
1. B.  2. A.  3. A.  4. C.  5. B.  6. D.  7. C.  8. B.  9. A
10. renewable=water, sunlight, wind. nonrenewable=coal, oil, natural gas.
11. solar energy
12. benefit=renewable, no pollution, inexpensive. drawback=needs sunlight, slower
13. reduce use of fossil fuels by using public transportation, reduce or eliminate use of gas powered tools, reduce electricity use by turning things off when no one is using them (lights, TV, computer).
14. No.  pH must be below 5.6 for acid rain.
15. Earth would be too cold for life without it.
16. raw sewage or fertilizers