Ocean A large body of salt water that surrounds a continent.

Sea A large body of salt water that is often connected to an ocean It may be partly or completely surrounded by land.

River A large, flowing body of freshwater that usually empties into a sea or ocean.

Stream A small, flowing body of fresh water that flows into a river

Lakes & Ponds Are areas where water, usually freshwater, are surrounded by land They differ in size but ponds are usually smaller than lakes.

Glacier A huge sheet of ice that covers land They are found where temperatures are very cold. Ex: high in the mountains or near the Earth’s poles