Across
- 3. the predictable rise and fall of ocean water that occurs along Earth’s coastline
- 4. a tide with the biggest difference between high and low tide
- 5. To remain inactive for an extended period of time especially in winter
- 7. To rise or fall irregularly in number or amount.
- 8. an imaginary line that passes from Earth’s North Pole
- 11. the cycle in which the moon moves through its different phases
- 13. the curved path around a star, planet, or moon
- 16. a tide with the least difference between consecutive high and low tides
- 17. a bulge of water that forms on Earth due to the gravitational pull of the moon
- 18. the difference in height between high tide and low tide
- 20. the force that attracts a body toward any other physical body having mass
- 21. a period of the year with certain patterns of weather and day lengths
Down
- 1. Half of a sphere; the Earth has a north and south
- 2. Something of importance
- 6. the tide when the water is at its greatest elevation
- 9. A day of the year when the noon sun reaches its highest or lowest point in the sky
- 10. the action of moving around an axis
- 12. the invisible line that separates the Earth into its north and south hemispheres
- 14. the movement of one object around another object
- 15. when the ocean's water level reaches its lowest point along the shore, exposing more of the shoreline
- 19. a day when neither hemisphere of Earth is tilted toward or away from the sun, and day and night are the same length