Volcanoes
Earthquakes
Layers of Earth
Plates
100
melted rock that reaches Earth's surface
What is Lava?
100
records earthquake waves
What is a seismograph?
100
The layer of Earth you walk on
What is the crust?
100
away from each other, towards each other or past each other.
How do plates move?
200
the rocky opening on a volcano
What is a vent?
200
vibration, or shaking, of Earth's crust
What is an earthquake?
200
the thickest layer of the Earth
What is the mantle?
200
mountains form
What happens when plates move towards each other?
300
large mountains with gentle slopes that form from runny lava
What is a SHIELD Volcano?
300
the point where movement first took place
What is the focus?
300
A dense ball made of iron and nickel
What is the core?
300
can cause earthquakes
What happens when places slide past each other?
400
a body of water left after an eruption in Southern Oregon over 7,000 years ago
What is Crater Lake?
400
point on Earth's surface directly above the focus
What is the epicenter?
400
the hottest layer of Earth
What is the inner core?
400
a few centimeters a year
How fast do the Earth's plates move?
500
active volcano in Washington
What is Mt. St. Helens?
500
two plates sliding past each other in California
What is the San Andreas Fault?
500
a pool of hot liquid metal in the Earth
What is the outer core?
500
where two plates meet each other
What is a fault line?
M
e
n
u