Unit 7 Vocab Review

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Across
  1. 3. sunlight that strikes the Earth’s surface at close to a 90 degree angle
  2. 8. an imaginary horizontal line around the middle of Earth
  3. 9. one of the two days a year during which the direct rays of the sun reach the furthest point from the equator
  4. 10. Gas- a gas in Earth’s atmosphere that absorbs and re-radiates heat
  5. 12. sun that strikes earth at an angle less than 90 degrees (acute)
  6. 15. the northernmost point on Earth
  7. 17. an eclipse in which the moon passes through part of the earth’s shadow
  8. 20. the partial shadow beyond the region of the umbra
  9. 21. an imaginary line through the center of Earth that connects the North to the South Pole, Earth’s tilt is 23.5 degrees
  10. 22. an eclipse in which the moon’s shadow passes over part of the earth and blocks the sun’s light
Down
  1. 1. the first day of summer, ie the longest day of the year
  2. 2. the first day of winter, ie the shortest day of the year
  3. 4. an event in which a planet or moon passes through the shadow of another planet or moon
  4. 5. Effect- atmospheric heating caused by certain gases in Earth's atmosphere that absorb heat
  5. 6. the half of Earth above the equator
  6. 7. one of the major divisions of the year, usually based on regular weather changes
  7. 11. the southernmost point on Earth
  8. 13. Warming- a gradual increase in air temperature near Earth’s Surface
  9. 14. the outer region of the sun’s atmosphere, seen as a white halo during a solar eclipse
  10. 16. the transfer of thermal energy from a warmer object to a cooler one
  11. 18. the darkest part of a shadow, totally blacked from the light source
  12. 19. the half of earth below the equator