Physics II Leeson ______ Name____________________________________________ 110 Block______ Date___________________ Test VI Earth/Sun A.Matching (2) Equinox, Perihelion, Solstice, Month, Semi-major axis, Year, Solar Day, Sidereal Day, Precession Occurs when the sun shines directly on the equator The wobble of the Earth The point in orbit when the earth is closest to the sun The time it takes for a point on Earth to face the same star again B.Match the layer of the sun with it's name. (2) C. Multiple Choice, TRUE-FALSE, and Fill-in-the-Blanks (2) 1) 8cm = ___________________ mm 2) 61m = _______________________ cm ___3) It is ___ in Australia in June and July. A. Winter B. Spring C. Summer D. Fall E. none of the above 4) If the foci of an ellipse are at the same point, it can be called a __________________. T F 5) Polaris has always been the North Star. ___6) We call it Summer when the Northern Hemisphere of the __ is tilted toward the __. A. Earth ... Sun. B. Moon ... Sun. C. Sun ... Moon. D. Earth ... Moon. E. None of the above. D. Describe the location of the Sun in each situation. In each, you are standing outside, facing South. Where is the Sun? (3) 1.You are at 0 degrees latitude on March 21. It is noon. 2.You are at 30 degrees North Latitude on December 21. It is noon. 3. 4. 5. 6. 7. 8. E. Label each day (not the date) as accurately as possible. Put a big "X" on the longest day of the year for us. Draw a couple of arrows to indicate the direction of the Earth's orbit. (10) F.Choose 3 of the following 4 choices and write a paragraph explaining each. (5) The Sun is a second generation star. What does that mean? How do we know? What happens to a planet during a single orbit? Start at the perihelion and describe where it is and what it's doing. Compare/contrast the Earth and the Sun. Be specific. State and explain Kepler's 3 Laws of planetary motion. Be thorough.
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