Seasons and Tides

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Across
  1. 3. Spring and neap tides occur twice per ______.
  2. 4. The pole tilted _______ from the sun experiences winter.
  3. 6. An imaginary line that runs directly through a spinning object's center.
  4. 9. The pole tilted _______ the sun experiences summer.
  5. 14. This type of tide occurs when the Sun, Earth, and Moon are at a 90° angle.
  6. 15. To move around (something) in a path that is similar to a circle.
  7. 16. The difference in height between the high and low tide.
  8. 17. To spin around an axis.
  9. 19. An imaginary line around the center of the Earth, dividing it into the North and South Hemispheres.
  10. 21. The Earth completes one rotation each _____.
Down
  1. 1. One half of the Earth
  2. 2. This hemisphere is located above the equator.
  3. 5. The Earth completes one revolution each _____.
  4. 7. During this season the sun's path is longer causing more hours of daylight.
  5. 8. During this season the sun's path is shorter causing fewer hours of daylight.
  6. 10. This hemisphere is located below the equator.
  7. 11. This type of tide occurs when the Sun, Earth, and Moon are aligned in a straight line.
  8. 12. This season occurs after summer.
  9. 13. The tilt of Earth's axis causes this.
  10. 18. The regular rise and fall of the oceans.
  11. 20. The number of high and low tides each day.