Vocabulary
Plates
Earthquakes
Volcanoes
100
The layer below Earth's crust - plates slide on the lower portion
Mantle
100
The motion of Earth's crust caused by layers deposited on the sea floor lifting rock is the reason for what?
Why scientists find the remains of sea creatures on rock layers above sea level.
100
The three types of ways that travel to Earth's surface are: p-waves, s-waves, and _____.
Surface waves
100
a steep sided volcano formed by hot rocks
Cinder-cone
200
Plates pull apart
Divergent boundary
200
What type of plate boundary are those where the plates slide past each other?
Transform faults
200
"s"-waves is an abbreviation for _____.
Secondary waves
200
A shield volcano is
- a wide, flat mound formed by new lava
300
When a volcano becomes inactive for a long period of time but has erupted in recorded history
Dormant
300
Name at least 3 ways that people use materials from the Earth's crust.
Toothpaste, fuel, concrete, oil, gas, coal.
300
Describe how an earthquake happens.
Sudden trembling of the ground caused by something happening in the crust (the movement of plates colliding, sliding past each other, or pulling apart)
300
Describe the eruption of a composite volcano
Alternates between explosive and quiet periods
400
An opening in the ground where hot water and gases escape without erupting
Hot spring
400
Due to the theory of plate tectonics (movement of Earth's crust because of the movement of Earth's plates), how is Earth's crust likely to move in the future?
The plates will continue to move and will cause a change in position and shape of the continents AND new landforms will be formed.
400
A Richter Scale rates earthquakes from
1-10
400
Dike, sill, dome mountains, and ____ & _____ are 5 landforms affected by magma.
Laccolith and batholith
500
The idea that a super continent split into pieces that traveled in time to their present locations
Continental drift
500
What evidence supports the theory of sea-floor spreading?
The ages and types of rocks found on the sea floor.
Earth's magnetic field.
500
Provide at least 2 ways in which people can prepare for earthquakes.
Buildings and highways can be designed to prevent collapsing - built with flexible and/or supportive and shock absorbing materials
500
Cinder cone volcano