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AR Time until 10:29 1 Student Planner March 27, 2015 Place this in the proper place Notebook collection starts April 8 (Wednesday) Vocab Test April 9 (Thursday) You need planner, notes, pen/pencil (per 2 AR book) End Planner Entries 2 REVIEW OF LAST CLASS March 27 Summary: We had a standard opening. We wrote down the definitions to the vocabulary words, took notes on Mercury, then watched a part of a video. Answer the last class’s EQ which was: Essential Question: How do the inner planets differ from the outer planets? Inner planets are made of _____ Outer planets are made of _____ Topic/Objective: Astronomy Name: Class/Period: Date: April 6, 2015 Essential Question: Which planets are twins? Warm Up 1. a streak of light caused when a meteoroid or comet dust burns up in the Earth’s atmosphere before it reaches the ground. Irregular galaxy Elliptical galaxy Spiral galaxy Light year Meteor Meteoroid Asteroid 2. a spherical or elongated galaxy with a bright center and very little dust and gas Irregular galaxy Elliptical galaxy Spiral galaxy Light year Meteor Meteoroid Asteroid 3. a galaxy that does not fit into any other category; one with an irregular shape Irregular galaxy Elliptical galaxy Spiral galaxy Light year Meteor Meteoroid Asteroid 4. a galaxy with a nuclear bulge in the center and very distinctive spiral arms Irregular galaxy Elliptical galaxy Spiral galaxy Light year Meteor Meteoroid Asteroid Answers 1. a streak of light caused when a meteoroid or comet dust burns up in the Earth’s atmosphere before it reaches the ground. 1. Meteor - a streak of light caused when a meteoroid or comet dust burns up in the Earth’s atmosphere before it reaches the ground. 2. a spherical or elongated galaxy with a bright center and very little dust and gas 2. Elliptical galaxy - a spherical or elongated galaxy with a bright center and very little dust and gas 3. a galaxy that does not fit into any other category; one with an irregular shape 3. Irregular galaxy - a galaxy that does not fit into any other category; one with an irregular shape 4. a galaxy with a nuclear bulge in the center and very distinctive spiral arms 4. Spiral galaxy - a galaxy with a nuclear bulge in the center and very distinctive spiral arms Today’s Homework Check the notebook checklist for material th to be in the notebook. Due Apr 8 . Friday is the last day for “on time credit”. Today • • • • Vocabulary review Notes on inner planets Planet worksheet Astronomy Video https://www.youtube.com/watch?v=sxno 39vLfZE Vocabulary Definitions 1. Mercury 2. Mars 3. Venus 4. Earth 5. Elliptical galaxy 6. Irregular galaxy 7. Spiral galaxy 8. Astronomical unit (AU) 9. Light year 10. Meteor 11. Meteoroid 12. Asteroid 22 Standard: 4 Astronomy 5 121 EQ: What is common between the inner planets? Inner Planets Inner Planets called Rocky planets or terrestrial planets 1.Mercury Smallest Planet and closest to the sun Mercury moves very slowly No Moons Rotation-spin on its axis 59 days Revolution- orbit around the Sun - year is equal to 88 Earth days 23 2. Venus -Virtually the same size, mass and Density as Earth -Sun rises in the west and sets in the East because it rotates opposite to Earth -One day on Venus is about as long as a year on Earth -Hottest surface because the atmosphere is a thick cloud of CO2 (464° C). -Rains sulfuric acid -No oceans, Active volcanoes -No Moons -Typically the brightest object in the 27 sky. Standard: 4 Astronomy 3. Earth Just the right distance from the sun Temperatures are right to not completely freeze or boil away the water 28 4. Mars Last Inner planet Thin atmosphere and further from the sun so it is a cold planet Water is in solid form-ice Largest volcanoes 2 moons Rotation is 24 hours and 37 minutes – Similar to the Earth. Revolution takes 1 year, 322 days 29 2. Venus -Virtually the same size, mass and Density as Earth -Sun rises in the west and sets in the East because it rotates opposite to Earth -One day on Venus is about as long as a year on Earth -Hottest surface because the atmosphere is a thick cloud of CO2 (464° C). -Rains sulfuric acid -No oceans, Active volcanoes -No Moons -Typically the brightest object in the 27 sky. Standard: 4 Astronomy 3. Earth Just the right distance from the sun Temperatures are right to not completely freeze or boil away the water 28 4. Mars Last Inner planet Thin atmosphere and further from the sun so it is a cold planet Water is in solid form-ice Largest volcanoes 2 moons Rotation is 24 hours and 37 minutes – Similar to the Earth. Revolution takes 1 year, 322 days 29