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Agenda


 * Do Now: Complete, update, or correct your "DO Now", as needed, in your science notebook.
 * Review learning objectives for this lesson @.
 * Shared Reading (SR) Chapter, Section , Pages :
 * View & listen to the powerpoint presentation for this lesson @.
 * Complete one of two constructed response questions for this lesson in your Science notebook. Respond using the "TAG" strategy. Then answer both multiple choice questions. In answering multiple choice questions, re-write the questions and the answers into sentences. Constructed response and multiple choice questions can be found at the end of the powerpoint presentation. You may review the powerpoint presentation, your online textbook, your hardback textbook, and your notes to assist you in responding to constructed response questions/prompts and multiple choice questions. Examples follow:

Question/Prompt: How did a meteor, which struck the Earth 65 million years ago, contribute to the dinosaurs' extinction?

Response: A meteor, which struck the Earth 65 million years ago, caused a dramatic change in the Earth's climate. When the meteor struck the earth, it threw into the atmosphere a massive amount of dust and other particulants. This dust and other particulants filtered the sunlight just like a shade or curtain over a window for months and maybe years, causing temperatures to drop on a global scale. Many plants and animals, like the dinosuars, could not adapt to the sudden change in the Earth's climate, and became extinct.

Multiple Choice Question: According to the geologic time scale, which is the largest time interval.

a. epoch b. era c. eon d. period

Answer: According to the geologic time scale the largest time interval is the eon.

> * > View & listen to the powerpoint presentation on
 * Explore the "Visual Concepts" Shared Reading (SR):