what are the three types of rock
igneous, metamorphic, sedimentary
what can be fossilized
dead organisms / plants or animals
What is the earths crust made of
what are some things that cause erosion
water, wind, ice
whats a disaster that is caused by an earthquake
tsunami
what are igneous rocks made of
cooled magma
newer fossils are near the _______ of rock
top
What is the proper name for the plates?
tectonic
an arc of rock is found on the shore, what most likely caused it
water
whats a meteorological disaster
hurricane, tornado, etc
how do rocks change? fast or slow
slowly
older fossils are near the _________ of rocks
bottom
what moves the plates
magma
what is a fossil that would be found in an area that used to be an ocean
fish, coral, seashell, etc
whats a geographical disaster
volcano, earthquake, tsunami, etc
What is weathering?
breaking down of rocks
what rock has the most fossils
sedimentary
how does an earthquake happen?
plates slide against each other
fossils usually need water and _________ to form
sediments
what do we use measure seismic waves
seismograph
weathering is braking down rocks, what is erosion?
moving of sediments to a new place
what can fossils tell us
what the earth used to look like
what boundary makes mountains?
convergent
magma when it breaks the surface is then called ________
lava
what do we call where two plates meet?
boundary / fault line