1
Landforms that are rounded but smaller than mountains are ________.
Hills
Earth's outer layer made of solid rock
Crust
a part of Earth’s surface that has a certain shape and is formed naturally
Landform
Layer of earth below the crust made of soft, hot rock
Mantle
A plain is very ________ land.
flat
Layer of liquid metals at earth's center
Outer Core
Low land between mountains or hills is called a
Valley
is a mountain made of cooled lava, ash, or other materials from eruptions
Volcano
A valley with steep sides is called a
Canyon
Ball of solid metal at the center of Earth
Inner Core
landforms that are much higher than the surrounding land
Mountains
is a change that happens when streams, rivers, or lakes get too full and overflow
Flood
a shaking of Earth’s surface that can cause land to rise and fall
Earthquake
is a large, thick sheet of moving ice
Glacier
When two or more pieces of Earth’s crust push together, a _________ forms
Mountain
Some ________ make canyons as they flow
Rivers
flat land that spreads out over a long distance
Plain
happens when soil, rocks, or sand are moved
Erosion
Like a plain, a ______ is flat. However, a ______ is higher than the land around it
Plateau
A plateau is typically formed when flat land is pushed _______ by the movement of Earth’s crust.
high up
Smaller pieces of rock often become part of the ______ as they continue to weather
soil
Old mountains become ______ as they are worn down by wind, water, or ice.
smaller
the breaking down of rock into smaller pieces
Weathering
New mountains grow _______.
Higher
______, ______, and ________ can all cause erosion.
Wind, water, glaciers