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WorksheetsCh 8 Study Guide
Total questions: 10
Worksheet time: 10mins
What process compares one rock layer with others in a sequence?
radiometric dating
absolute dating
relative dating
radioactive decay
Fossils are most often formed in what type of rock?
igneous
sedimentary
magma
metamorphic
What is a fault?
molten rock that squeezes into existing rock
slanted layers of rock
a bent and buckled layer of rock
a break in Earth's crust
Which of the following events would be a catastrophe?
deposition
an asteroid hitting the earth
gradual erosion
an average rainfall
Molten rock that squeezes into existing rock and cools is called what?
fault
tilting
intrusion
folding
According to uniformitarianism, how does geologic change happen?
suddenly
after an earthquake
every few years
gradually
What is tilting?
slanting of rock layers
a form of erosion
folding of rock layers
an intrusion
Where are most fossils found?
in ice
in sedimentary rock
in amber
in asphalt
The phrase "younger over older" could be used to rememeber the principle of
superposition
geologic columns
absolute dating
unconformities
What do scientists know about an undisturbed sequence of rocks based on superposition?
younger rocks are under older rocks
older rocks have eroded awat
younger rocks are on top of older rocks
older rocks are on top of younger rocks
