| A | B |
|---|
| tidal pools | near shore, rocky areas, fills and emptys with the tide |
| ocean floor | 100 to 4500 deep, much life here |
| abyss | deepest part of ocean, 2-6 miles below surface |
| ocean surface | top of the water |
| island | piece of land completely surrounded by water |
| open sea | two or more miles from shore, largest animals live here |
| tide | rise and fall of the ocean waters |
| canyon | deep valley, can be in ocean or on land |
| earthquake | strong vibrations, tremors |
| volcano | hill or mountain created by steam, hot gases, or ashes erupt from an opening in crust |
