Vocabulary 1
Vocabulary 2
Processes That Change the Earth
What Causes Mountains, Volcanoes, and Earthquakes
How Has Earth's Surface Changed?
100
the process of moving sediment from place to place
What is erosion?
100
the center layer of the Earth that is very hot
What is the Earth's core?
100
physical features such as beaches, mountains, and valleys
What are landforms?
100
great pressure at the center of the Earth
What keeps the inner core solid?
100
it split into the continents that we know today
What happened to Pangea?
200
a layer of rock beneath Earth's crust that is very hot
What is the Earth's mantle?
200
remains or traces of past life
What are fossils?
200
a slow moving sheet of ice that pushes rock and soil in front of it
What is a glacier?
200
rigid blocks of crust and upper mantle rock
What are plates?
200
the best explanation for a process based on evidence
What is a theory?
300
the process of sediment dropped or deposited in a new location
What is deposition?
300
the process of rocks breaking into sand or clay
What is weathering?
300
water, wind, and ice
What can change landforms?
300
Earth's plates that scrape and slide past each other
What causes earthquakes?
300
they show what Earth's life and surface was in the past
What do fossils teach us?
400
rock and soil moving downward because of gravity
What is mass movement?
400
tiny pieces of rock broken into sand or clay
What is sediment?
400
a type of mass movement where soil moves very slowly downhill
What is creep?
400
Earth's plates colliding
What causes volcanoes and mountains to form?
400
the Colorado River continues to erode its layers of rock
What continues to erode the rock of the Grand Canyon
500
a theory of how Earth's continents move over its surface
What is continental drift?
500
a "supercontinent" that once existed on Earth
What is Pangea?
500
a type of mass movement in which soil moves downhill very quickly
What is a landslide?
500
the Himalayas
What is the highest mountain range on Earth?
500
the oldest rock layers are at the bottem
Where are the oldest rock layers of the Grand Canyon?
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