Show:
scientific method/
properties of earth
plate tectonics
eathquakes
volcanoes
Rocks and minerals
100
2nd step in the science method
What is gather information
100
Who is Alfred wegener
meteorologist who had the theory of Continental drift
100
what are fault zones
its cracks that accrue when plates move past each other
100
Ash cloud is what
ash and dust cloud when a compsit volcano eroups.
100
Intrusive is were
rocks that grow under ground
200
What property is everything on the out side of the earth
Astronomy
200
What is pangea
supercontinet 200 million years ago when all lad was one
200
What is the ring of fire
nickname of the pacific ocean were 80% of the earthquakes happen.
200
the conduit
the tube were lava comes up in the volcano.
200
Extrusive is were
rocks that form above ground
300
data collation that shows separation high and low valus.
median
300
Harry Hess did what.
the guy who discovered seafloor spreding
300
primary waves are what.
slinks push and us the energy by that.
300
the hot spots
magma rising from above earths plates.
300
Glassy rocks look like what
smooth and shine
400
the first step in scientific method
state the problem
400
what are mid ocean ridges
under water mountain chain forms from magma
400
whats the epicenter
directly above were the earthquake happened
400
whats the crust
layers of Earth the volcano sits on
400
Vesciular has what traits
bubbles holes and waightless
500
Things in the experiment that change.
Variables
500
what is transform Boundaries.
plates move side by side which can cause and earthquake
500
Hypocenter is what
the point under ground the stress leets go.
500
AA has what traits
quickly cools and jagged.
500
Non silicate is what
rocks contain no silicon or oxegen