Across
- 4. highest tide
- 5. a very large expanse of sea
- 7. goes through periods of coverage and exposure
- 9. lowest tide
- 10. the pattern of high and low water
Down
- 1. having to do with dry land
- 2. the object's orbital motion around another object
- 3. an object pulling another object towards it
- 6. The different shapes of the Moon that we see at different times of the month
- 8. having to do with the ocean