Lesson #6:

Ozone Depletion

Standards

HS-LS2-7.

Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity

Reminders

Human Impact End of Unit Exam Thursday, November 5th

Part 1:

Warm-Up

Check for Understanding #1

(10 min)

Directions: View all three problems and answer the questions:

1) Which one is incorrect?

2) Explain why it is incorrect

3) Write the correct answer.

Warm up 1.pdf

Part 2

Hook

Engage

(5 min)

Investigation:

Polar bears are an endangered species that live in Antartica. Recently, scientists who study polar bear populations have noticed that many bears have started losing their hair and some are even developing large oozing lesions as you can see in the picture to the right. Scientists believe that the cause of the skin condition is tied to human activity.

1) What could be causing the hair loss and skin conditions of the polar bears?

2) How could it be related to the activities of humans?

Part 3

Slow Reveal Graph

(Explore)

(5 min)

Directions: In your groups, discuss the questions at the bottom of each slide.

Graph #1

Part 4:

Article and Graphic Organizer

(Explain)

(15 min)

Directions: Each person in the group read one paragraph of the article out loud. Work together to fill out the cause and effect graphic organizer. DO NOT write the paragraph at the bottom yet!

Ozone Depletion Reading

Part 5:

Check for Understanding #2

(2 min)

Part 6:

Independent Writing:

Cause and Effect

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