a mountain or hill having a crater which lava and air erupt
what is a volcano
who came up with the theroy of plate tectonics
Alfred wegner
rock that is compacted sediments
what is sedimentary
waves a earthquake emits
what is siesmic waves
boundary when the plates moves apart
what is divergent boundary
the molten rock inside the earth
what is magma
the force that make continents move
what is plate tectonics
Molten rock that is present deep in the earth, comes to surface and solidifies due to cooling and crystalizes
what is igneous
Lower-magnitude earthquakes that follow the principal earthquake shock
what is Aftershocks
boundary that the plates slide past eachother
what is transform boundary
the molten rock that erups out of the volcano
what is lava
what was the supercontinent called
what is pangea
what rock changes due to high heat/pressure
what is metamorphic
The place inside Earth´s crust where an earthquake originates
What is focus
boundary that the plates come together
what is convergent
when the magma cools and solidifes in the volcano
what is intrusive
space between two plates
what is a boundary
what rock is famous
What is Dwanye the ¨Rock¨ Johnson
The point on the Earth´s surface vertically above the focus point in the crust where a seismic rupture begins
what is Epicenter
fault that is vertical fractures where the blocks have moved horizontally
what is strike-slip
when the lava cools and solidifies outside of the volcano
what is extrusive
number of continents today
what is 7
Igneous, sedimetry, and metamorphic rocks present on the surface of the earth that are constantly broken down by wind and water over long periods of time
What is weathering
Measurment device used to determine the magnitude of an earthquake
What is Richter Scale
fault that extends 1,200 kilometers (750 miles) through California
what is San Andreas Fault