Weathering +erosion
Rock cycle
crust
the plates
earthquakes and volcanos
100
when a rock is broken by water freezing in the cracks and then thawing
What is chemical weathering
100
it turns rocks into sediments
What is weathering and erosion
100
when the ocean spreads apart because of formation of new crust
What is sea floor spreading
100
the number of major plates on earth
What is 12
100
the instrument used to measure the earthquake
What is seismograph
200
when freezing and thawing between rocks causes the rocks to break
What is mechanical weathering
200
it turns rocks into magma
What is melting
200
when plates rub together and cause shaking
What is an earthquake
200
a scale that tells you how large the earthquake is
What is the richter scale
300
acid rain causes
What is chemical weathering
300
it turns rocks into metamorphic rocks
What is heat and pressure
300
a hot substance under the sea floor
What is magma
300
when two plates move together
What is converging
300
it is formed when magma is pushed upwards
What is a volcano
400
when slightly acidic water erodes a rock
What is chemical weathering
400
from magma to igneous rock
What is cooling and crystalizing
400
a raised part of the sea
What is the ocean ridge
400
when plates are moving away from eachother
What is diverging
400
when a volcano erupts when the melting rock is on the outside of the earth it is called
What is lava
500
the transportation of sediments to another location
What is erosion
500
this process turns sediments into sedimentary rock
What is compaction and cementation
500
250 million years ago when all the continents were joined together
What is Pangea
500
when two plates are sliding by eachother
What is transform
500
when a volcano is active
What is dormant
M
e
n
u