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9 /12/13 13th Day of School

9 /12/13 13th Day of School. Learning Goal (7.E.1.1): I will be able to describe the structure of Earth’s atmosphere. Due Today: Title, composition, & properties Powerpoint slides Evening Assignment: Work on atmosphere structure slide(s) of Powerpoint.

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9 /12/13 13th Day of School

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  1. 9/12/1313th Day of School Learning Goal (7.E.1.1): I will be able to describe the structure of Earth’s atmosphere. Due Today: Title, composition, & properties Powerpoint slides Evening Assignment: Work on atmosphere structure slide(s) of Powerpoint

  2. In your composition notebook, copy and answer the following… • Give two examples of each: • Earth’s atmosphere composition • Earth’s atmosphere properties Do Now McDougall textbook, p. viii

  3. How’d you do? • Earth’s atmosphere composition • Mostly gases (ex. Nitrogen and Oxygen • Particulates (ex. Dust, clouds) • Energy (ex. Heat energy, UV radiation • Earth’s atmosphere properties • Air temperature decreases as altitude increases • Air pressure decreases as altitude increases • Air density decreases as altitude increases Do Now

  4. Earth’s Atmosphere Structure: • Temperature Layers • Each layer has a different… • Name • Altitude range • Temperature range • Air pressure & Air density • Heat source • Special features

  5. Source: McDougall p. A20-21 and • Thermosphere • Name means “heat” • Altitude range: 56-600 miles • Temperature range:-120F to 3600F! • Heat source: sun (from above) • Special features: auroras, space shuttle • Mesosphere • Name means “middle” • Altitude range: 31-56 miles • Temperature range:32Fto -120F • Heat source: stratosphere (from below) • Special features: meteors burn up • Stratosphere • Name means “spreading out” • Altitude range: 6-31 miles • Temperature range:-76Fto 32F • Heat source: sun (from above) • Special features: ozone layer blocks UV • Troposphere • Name means “turning” • Altitude range: 0-6 miles • Temperature range:59F to -76F • Heat source: ground (from below) • Special features: weather, life

  6. Assignment: Earth’s Atmosphere Powerpoint • You will make a Powerpoint presentation about Earth’s atmosphere. You may use information and pictures from class, the textbook, other books, and the Internet but you MUST cite your sources (ex. title, page, web address, etc). Include text in your own words explaining any images you use. Your Powerpoint should have the following slides. Final Powerpoint is due Friday 9/13/13. • Title slide with title, your name, period, date • Slide defining atmosphere • Slide(s) about the composition of Earth’s atmosphere • Gases • Particulates • Energy • Slide(s) about the properties of Earth’s atmosphere • Air has substance • Air temperature decreases as altitude increases • Air pressure decreases as altitude increases • Air density decreases as altitude increases • Protects & supports life • Slide(s) about the structure of Earth’s atmosphere • Thermosphere • Mesosphere • Stratosphere • Troposphere Minor Assessment

  7. Minor Assessment Rubric

  8. Work on Title, atmosphere definition, Earth’s atmosphere’s composition, properties, and structure slides. Due by the end of class Friday. Evening Assignment

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