Vocabulary
Earth's Crusts
Volcano
Earth Movements
End of Unit Test
100
opening in the Earth's crust through which molten rock reaches the surface
volcano
100
Name the two types of Earth's crust.
continental crust and oceanic crust
100
What do you call the hot, molten rock that is below the surface?
magma
100
Name what is happening in the image below.
mountain producing
100
Name the four layers of the Earth.
1. crust
2. mantle
3. outer core
4. inner core
200
the process where two plates collide and one plate sinks underneath the other
subduction
200
Name the thicker type of Earth's crust.
continental crust
200
One magma reaches the Earth's surface, it called __________________.
lava
200
Name the process in the image below.
subduction
200
Name this type of fossil.
cast fossil
300
The process by which new ocean floor is created
ocean - floor spreading
300
Which crust is made of granite?
continental crust
300
More than half of the volcanoes on Earth are located at plate boundaries around which ocean?
Pacific Ocean
300
Name what is happening in the image below.
ocean-floor spreading
300
Name the huge land mass that existed over 200 million years ago.
Pangaea
400
where two or more plates meet
plate boundary
400
Which crust is more dense?
oceanic crust
400
Name the region that is home to a great many of Earth's volanoes.
the Ring of Fire
400
What is a plate?
piece of the Earth's crust
400
Name this type of fossil.
mold fossil
500
Crack in the Earth's surface where two plates slide near each other.
fault
500
Which crust is made of basalt?
oceanic crust
500
Name 2 of the 3 types of volcanoes.
1. composite volcano
2. shield volcano
3. cinder cone volcano
500
What is produced when subduction occurs?
trench
volcanic mountains
500
Name what is being shown in the image below.
convection current