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26 Cards in this Set

  • Front
  • Back
What is the name of the planet on which we live called?
Earth
What is the mantle of the earth made of?
Mostly solid rock
Within how far of the earth's surface do most earthquake's occur?
60 KM (36 miles)
What is an earthquake?
a sudden movement of a part of the earth's crust.
Which layer of the earth is thick in some places and thin in others?
CRUST
Which layer of the earth do we live on?
CRUST
The earth's core is in the same position as an apple core?
True
The earth's core probably has an inner and outer core? True or False
True
What is a sudden movement of part of the earth's crust called?
Earthquake
What is red-hot melted rock COMING OUT of the earth's crust called?
Lava
What is a scientist who studies the earth called?
Geologist
What is an opening in the earth's crust through which lava escapes called?
Fault
The earth's core is the thinnest layer?
False
What is the think, hot outer layer found under the crust of the earth called?
Mantle
Explain the earthquake belt?
Places where earthquakes occur
What is the machine called that measures earthquakes?
Seismograph
What is the belt which is formed by volcanos?
Ring of Fire
Who invented the seismograph?
Rictor
What is the thin, solid outer layer of the earth called?
Crust
How does magma reach the earth's surface?
through a crack in the crust.
The earth's core is the hottest layer? True or False
TRUE
Why does magma rise to the earth's surface?
Because it is lighter than solid rock.
What happens when an exploding volcano erupts?
Hot material is thrown in the air and lava flows.
Where does magma form?
In the mantle
What is the center of the earth called?
CORE
Where does magma form?
In the mantle