earthquakes and
volcanoes
volcanoes
Theory of plate tectonics
plate boundaries
100
where do most earthquakes happen
where the most pressure is
100
The map below show where scientists predict the continents will be in ________
year from now. 
50 million
100
The pictures below show what plate boundaries
spreading boundary
200
where are most volcanoes located
the oceans
200
the theory of plate tectonics explains many of
Earth's features
200
The pictures below show what plate boundaries
fracture bondary
300
what detects a volcanoes
seismograph
300
According to the theory of plate tectonics, Earth's lithosphere is broken into about _ moving plates
1. 20
2.30
3.25
20
300
what do colliding boundaries do
make mountains
400
what detects a earthquakes
seismometer
400
Earth's plates move in a continuous process in what direction.
A.away from
B. along side
C.toward each other
D. all
D all
400
how often do plates move
2 to 5 centimeters a year
500
what is the lava under the surface called
magma
500
What is the definition of plate tectonics
the theory that the Earth's lithosphere is broken into about 20 (hint) moving plates
500
where are plate boundaries found
the outermost part of earth structure