Show:
scientific method/properties of earth
plate tectonics
earthquakes
volcanoes
rocks and minerals
100
what is the inner core made of
iron
100
what happens when plates move apart
earthquake
100
what measures an earthquake
seismograph
100
what is a sheild volcano
a big round and flat volcano with out big explosions
100
what is a streak
color left on quartz
200
what is the san andreas fualt
a line of earth quakes
200
what is volcanic ash
the smoked and little particles from volcano explosion
200
how can you tell if a rock rock is metallic
if the rock is reflective or heavier
300
what is it when one plate goes under another
subduction
300
what is formed by eathquakes
tsunami
300
what volcano gives the greatest explosion
strata cone
300
whats the difference between compaction and cementing
cementing is to or more rocks that form together, while compacting rocks get squeezed together.
400
what is sea floor spreading
when to plates move apart in the ocean
400
how do we find an earthquake
triangulation
400
how do volcanoes form
when a hot spring spews lava and it cools and then it builds itself
400
what is weathering
when the weather breaks down the earth
500
what was the biggest mountain in america caused by colliding plates
apilation mountains
500
what is the epicenter
the center of an earthquake
500
what year did mt st helans explode
1980
500
what are 2 of the 4 igneaus rock textures
Aphanitic, Phaneritic