Unit 3 Vocab (part b)

123456789101112131415
Across
  1. 3. a star's apparent shift in location
  2. 5. when an object appears to gradually increase in size because of the changing shadows of other objects in space
  3. 6. the cyclic rise and fall in sea level due to the gravitational forces among the Earth, Moon, and Sun
  4. 9. when an object appears to gradually decrease in size because of the changing shadows of other objects in space
  5. 11. A natural or artificial body in orbit around a planet. The Moon is a natural satellite of Earth, and Earth is a natural satellite of the Sun
  6. 13. The time of year when the Sun is farthest south from Earth's equator. The summer solstice marks the beginning of Winter and occurs annually approximately on December 21st (2 words)
  7. 14. a tide that occurs when the Moon, Earth, and Sun line up in space; high tides are higher than usual, and low tides are lower than usual. ( 2 words)
  8. 15. The time of the year when the Sun appears farthest north or south of the equator. The solstices mark the beginning of the Summer and Winter seasons
Down
  1. 1. basins on the moon that are filled with lava after craters are formed; appear as varying intensities of grey color
  2. 2. the spin of a celestial object on its axis
  3. 3. occurs when Earth is closest to the sun
  4. 4. The time of year when the Sun is farthest north from Earth's equator. The summer solstice marks the beginning of Summer and occurs annually approximately on June 21st (2 words)
  5. 7. One of two days of the year when the Sun's radiation crosses directly above Earth's equator. This day generally occurs on March 21st of every year, and the number of daylight and nighttime hours are equal (2 words)
  6. 8. The motion of one body in space, circling or orbiting another body in space. Any object that revolves around another object in space is known as a satellite
  7. 10. a tide that occurs when the Sun, Earth, and Moon are positioned to form a right triangle in space; high tides are lower than normal, while low tides are higher than normal (2 words)
  8. 12. a phenomenon that occurs when the moon is positioned directly between the Sun and Earth, and Earth passes into the shadow of the Moon (2 words)