Go to Wikipedia and use the following glossary to look up different types of landforms and bodies of water.
GLOSSARY:
archipelago
atoll
bay
butte
canyon
cape
cave
channel
cliff
col
continent
cove
delta
desert
dune
equator
estuary
fjord
geomorphology
geyser
glacier
gulf
hill
island
isthmus
lagoon
lake
latitude
longitude
marsh
mesa
mountain
ocean
peninsula
plain
plateau
pond
prairie
river
sea
sound
source
strait
swamp
tributary
tundra
valley
volcano
waterfall
wetland