This week you should refer to the resources listed under Readings, References, & Recommendations, and you need to complete the assignment listed under Sphere Study Assignment & Rubric. This week’s assignment focuses on …

• Identifying and researching the key concepts for the first sphere you will be studying
• Helping your Sphere Group members understand the key concepts and critical questions
• Identifying interactions between the event of the week, deforestation, and your sphere

Suggested Activities for Your Students

Time and Cycles: Lesson, Logs of Straws: Dendrochronology: Use tree rings to study recent climate changes.

"How When Affects What: Part 1." Ground Truth Studies Teacher Handbook. pp. 73-74.

"Loss Of Habitat On The Cutting Edge." Welcome to NASA's Earth Science Enterprise: Educational Activity Supplement. pp. 86-91.

Sphere Study Assignment & Rubric
This week you and your Sphere Group will become experts in the relationship of individual spheres to an Earth event.

You will need to read about deforestation before you can do the Sphere Study Assignment & Rubric.

Note: Refer to Group & Team Formation to find out which sphere you should be studying this week.

Read: "Deforestation."
Welcome to NASA's Earth Science Enterprise: Educational Activity Supplement. 

Read: Welcome to NASA's Earth System Science Enterprise: Educational CD-ROM

Under the Land section

• "Land Cover, Use and Change"

Read: Forecasting the Future. pp. 1-14.

Reference: "Air Cares." Forecasting the Future. pp. 58-62.

Recommended Web Site: Mayer and Fortner: Earth Systems Education Framework: Understanding #7