Monday, April 27, 2009

THIS WEEK IN GRADE 9 SCIENCE

LAST WEEK:
  • We completed our electrical principals and technologies crate - great work!
  • Continued reading about Environmental Chemistry
  • This week we will evaluate your work done on the electricity crate and we will continue with Environmental chemistry

ASSIGNED WORK THIS WEEK:

  1. Read section 2.0 (212-234)
  2. Define the following terms: ozone layer, monitoring, biological indicator, invertebrates, parts per million, spring acid shock, pesticides, toxins, LD50, heavy metals, sulfur dioxide, nitrogen oxides, carbon monoxide, ozone, the ozone layer, greenhouse gases, enhanced greenhouse effect, global warming
  3. Complete the check and reflect page 233 (#1-8) and the section review pg 235 (#1-11) but don't do #9 because you did a similar question on the check and reflect

THIS ASSIGNED WORK IS DUE WEDSNEDAY FOR 9E and 9B and Thursday for 9H