Star Vocab Crossword

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Across
  1. 2. Short periods of climate change caused by regular variations in temperature, hours of daylight, and weather patterns
  2. 4. Arrangement of visible light ordered according to wavelength
  3. 7. Describes the state at which the moon’s orbital and rotational periods are equal.
  4. 11. Occurs when the sun is directly overhead at the equator and results in day & night of equal length for both N & S hemispheres. (In the spring!)
  5. 12. Occurs only during a full moon, when Earth passes between the Sun and the Moon, and Earth’s shadow falls on the moon.
Down
  1. 1. Occurs when the Moon passes between Earth & the Sun and the Moon casts a shadow on Earth, blocking Earth’s view of the Sun; can be partial or total.
  2. 3. Occurs when the Sun is directly overhead at 23.5 degrees north latitude (June 21), & results in the maximum number of daylight hours for the N hemisphere and the minimum number for the S hemisphere.
  3. 5. Occurs when the sun is directly overhead at 23.5 degrees south latitude (Dec 21) & results in the minimum number of daylight hours for the N hemisphere and the maximum number for the S hemisphere.
  4. 6. periodic rise and fall of sea level caused by the gravitational attraction among Earth, the Moon, and the Sun.
  5. 8. Occurs when the sun is directly overhead at the equator and results in day & night of equal length for both N & S hemispheres. (in the fall!)
  6. 9. Process in a star’s core in which lightweight hydrogen nuclei combine into heavier helium nuclei
  7. 10. Process in which heavy atomic nuclei split into smaller, lighter nuclei