Across
- 5. small, drifting carnivorous organisms
- 7. the wash of wave water down the slope of a beach
- 8. an unstable wave that has collapsed
- 9. a rotating water mass
- 10. a ring-shaped carbonate (or coral) reef series of islands
- 11. the transfer of heat through direct contact
- 12. an organism that cannot swim effectively, so it drifts with the surface
- 14. solidified glass fragments ejected during meteorite impacts
Down
- 1. ridge an underwater mountain system along divergent plate boundaries
- 2. molten rock typically dominated by silica
- 3. water that lies beneath the surface of the ground
- 4. reef a reef that forms a barrier to waves along a coast
- 6. a volcanic rock that makes up much of the oceanic crust
- 13. a cloud of interstellar dust and gases