Show:
earthquakes
changing landforms
clues in the crust
advances in tech
plate tectonics
100
when shaking of the ground caused by the sudden released of energy stored in rocks
What is earthquake
100
a large, flat area often used for agriculture
What is plains
100
is a drawing of what you see when you cut through an object
What is cross section
100
a technology that uses a device that sends out sound waves and then records the time that the soundwaves take to bounce back
What is sonar
100
plates moving towards each other and collide
What is convergent boundary
200
when the surface along which rocks break and move
what is fault
200
a triangular deposit of sediment at the mouth of a river
What is delta
200
it is a shallow underwater ledge located between a continent and the deep ocean.
What is continental shelf
200
energy waves that are created by earthquakes or explosions
What is seismic waves
200
when plates move away from each other
What is divergent boundary
300
deep in the crust where an earthquake begins
What is focus
300
a flat, rising area of land made up of nearly horizontal rock that have been uplifted by force within earth
What is plateaus
300
is a large flat area on the ocean floor
What is abyssal plain
300
a long cylindrical sample of rock
What is core sample
300
proposes that the plates of earth lithosphere interact with each other
What is theory of plate technics
400
the surface located directly above the focus
What is epicentre
400
the flat layer of sediment deposited by rivers and flood stage
What is floodplain
400
an opening in the oceanic crust, where molten materrials from earth's mantle can escape
What is rift
400
thease are used on board a ship to create seismic waves
What is air guns
400
the study of the movement of a large scale structural features on earths crust
What is tectonics
500
travel more slowly than primary waves
What is secondary waves
500
a rapid movement of rock fragments and soil
What is landslide
500
an raised part of the sea floor, witch can become large enough to be considered an underwater mountain range
What is ocean ridge
500
a ship that scientists used oil drilling technology to sample the rock in one of the longest mountain ranges in the world
What is glomar challenger
500
a long narrow deep depression in the sea floor
What is a trench