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In geology, a large fragment of Earth's crust and upper mantle.
Plate
Which layer is the thickest?
Mantle
Rock that forms when igneous or sedimentary rock is placed under tremendous heat or pressure
Metamorphic rock
Shaking of the ground caused by a seismic wave
Earthquake
What can cause an earthquake?
The movement of Earth's plate against each other.
The study of Earth's makeup and formation.
Geology
Which layer is the thinnest?
Crust
Rock made of sediment compacted together
Sedimentary rock
What is the tool called that measure earthquakes?
Seismograph
What can earthquake in the ocean cause?
Large waves/tsunamis
Define Natural Hazard
An extreme event in nature that can cause harm to living organisms and structure.
Which two layers are the closest in thickness?
Inner core and Outer core
Rock made of magma or lava that has cooled and hardened.
Igneous rock
A wave or series of waves caused by displaced water.
Tsunami
Molten material from Earth's mantle after it has reached Earth's surface
Lava
Examples of Natural Hazards
Volcano, landslide, tsunamis, earthquake, erosion, mudslides...
What are some ways that engineers try to prevent landslides?
Planting certain types of vegetation on slopes; building retaining walls.
The remains of an organism preserved in rock form.
Fossil
Most tsunamis occur around the Pacific Ocean in what is known as ____________________.
The Ring of Fire
Molten material from Earth's mantle below Earth's surface.
Magma
Form of mass movement in which a large section of a slope slides downhill all at once.
Landslide
The size or extent of an earthquake
Magnitude
In geology, a plume of magma that causes eruptions through Earth's crust without plates interacting.
Hot Spot
An opening in Earth's crust through which lava erupts onto the surface.
Volcano
Movement of sediment from one location to another.
Erosion