To begin: Read pp Answer reading check on p. 17 Define supply and demand, costs and benefits, and risk assessment in your own words

Bellringer All of the following are renewable resources EXCEPT: a. energy from the sun b. minerals c. crops d. fresh water

environmental science Tragedy of the Commons

Standards and elements SCSh6. Students will communicate scientific investigations and information clearly. d. Participate in group discussions of scientific investigation and current scientific issues.

SCSh9. Students will enhance reading in all curriculum areas by: c. Building vocabulary knowledge

SEV4. Students will understand and describe availability, allocation and conservation of energy and other resources. a. Differentiate between renewable and nonrenewable resources including how different resources are produced, rates of use, renewal rates, and limitations of sources. Distinguish between natural and produced resources.

SEV5. Students will recognize that human beings are part of the global ecosystem and will evaluate the effects of human activities and technology on ecosystems. c. Explain how human activities affect global and local sustainability.

agenda 1.Welcome 2.Standards, elements, essential questions, bellringer; homework 3.Review for formative assessment 4.Tragedy of the Commons-reading 5.Tragedy of the Commons-performance assessment 6.Closing 7.Homework-read pp Answer 1-5

Essential questions How do economic factors affect how we use resources? How do developed and developing countries differ in their structure and effects on the environment? How can you decrease your ecological footprint?

Homework Read pp answer 1-6

Most missed on formative assessment 13% correct; see p. 15 _____ is a biodegradable material that becomes a pollutant if allowed to accumulate more rapidly than it can decompose. a. Plastic b. Mercury c. Newspaper d. Metal from junk cars

13% correct; see p Which of the following describes the depletion of a renewable resource? A. hunting of excess deer to maintain a healthy population size B. intensive cultivation of farmland that exhausts soil nutrients C. mining coal D. increasing use of solar energy to generate electrical power

39 % correct; see p The term “biodiversity” refers to a. The number of species living on Earth. b. The number and variety of species living on Earth. c. The number and variety of species that are considered renewable. d. The number and variety of species that live in an area.

39% correct; see p A scientist studying the culture, history and genetics of an aborigine tribe in Australia is a(n): a. geologist b.physicist c.anthropologist d.engineer

Tragedy of the Commons Working in a group-see sign

lesson Introduction to tragedy of the commons exercise; include safety, lab routines, benchmark work-refer to rubric Students will read lab parts aloud and restate directions. Students will review rubric aloud. What will a good lab report look like???

work Gather data Write report

closing How is the tragedy of the commons evident on earth today? How is shared responsibility related to government?

Homework Complete lab report; review pp