| Term | Definition |
|---|
| continental shelf | gentle downward slope of ocean floor away from the continents |
| continental slope | edge of the continental shelf |
| abyssal plains | large flat areas in the ocean floor |
| seamount | underwater volcano |
| volcanic island | build up of lava forms this |
| guyot | old eroded volcanic island covered by the ocean |
| canyon | deep, steep-sided valleys formed by rivers |
| trench | formed when two oceanic plates converge |
| lakes | bodies of water trapped in a basin |
| tributary | smaller rivers flowing into larger river |
| watershed | area surrounded by high-elevation in which all water runs to a common destination |
| continental divide | follows the crest of the Rocky Mountains and separates water flowing to the west into the Pacific Ocean from water flowing north and east |
Combine with other sets
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