Mountains & Valleys
How are glacial valleys formed?
by glaciers
Why are grasslands important?
they are good for farmland
A peninsula is ______ by a body of water such as an ocean, lake, or sea.
surrounded
An isthmus is an _______ landform.
important
There are three main types of deltas: arcuate, cuspate and ________
bird's foot
Valleys are formed through a process called ______
Mountain formations happen because the earth is made of _______
erosion
tectonic plates
In the artic, a plain is called a ________
tundra
There are a few _______ ways a peninsula can be ______.
different
formed
What is the name of a famous isthmus?
Panama
What is the name of the most famous delta in the world?
The Nile River is the world's ______ river
The Nile River Delta
longest
A valley is a ________ landform.
Flat-floored valleys are the most ______ type of valleys
Common
Common
Plains make up _______ of the Earth's landmass.
Are they found on every continent?
one-third
yes
What is one way a peninsula is formed?
through tectonic plate movement
ports, canals and trade routes
What is the cuspate delta shaped like?
a tooth
True or False? A river valley if formed by a river. It is v-shaped and has taller areas of land on either side of the river.
True
What does the word erosion mean?
soil and rock is moved by ice or water
What are keys?
small flat islands
How much of the earth's surface do deserts take up?
one third
Only ______ of the water on Earth is freshwater.
3%
Why do many people travel to mountains?
A. visit
B. hike
C. go on a ski trip
D. all of the above
A plateau is an area of tall flat land. They are famously know for looking like a _______.
T/F most plains are grasslands
table
true
What does the word islet mean?
a small rocky island
It rains less than _____ inches per year in most deserts and a hot desert can get as cold as ____ degrees at night.
10 inches
0 degrees F
Why are rivers important? (3 reasons)
they provide drinking water, food and transportation