Show:
key terms
physical characteristics
physical process
plates/tectonics
everything else
100
center of the earth
What is the core
100
has an inner and and outer surface
What is core
100
nolten rock on earth's surface
What is lava
100
the earth's crust is divided into
What is plates
100
thickness of the mantle
What is 1800 miles
200
water and air above the earth
What is the atmosphere
200
the difference between the highest and lowest elevation of a place
What is relief
200
below earth's surface molten rock
What is magma
200
plates that collide with each other create
What is mountains
200
theory said there was one large landmass before splitting into continents
What is continental drift
300
large land masses betweeen the oceans
What are continents
300
when magma breaks through the earth's crust on land
What is a volcanoe
300
they are formed by volcanoes
What are cone shaped mountains
300
this plate is more dense than the surface plates
What are ocean plates
300
which area has the youngest rocks
What is the ocean floor
400
water in the oceans, seas, rivers and lakes
What is the hydrosphere
400
the layer of the earth on which people live
What is the crust
400
island change created by volcanoes
What is Hawaii
400
this is the only north american mountain range forned by volcanoes
What are the cascades
400
they study rocks
What is a geologist
500
when the ocean plate goes under the coastal plate
What is subduction
500
the world of plants animals and all other living things
What is biosphere
500
plates pulling away from each other
What is spreading zone
500
when plates pull apart the likely result
What are earthquakes
500
its surrounds the coast of the pacific ocean
What is the Ring of Fire