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Madi's Science

QuestionAnswer
Process that changes rock on earths surface erosion
When sedimentary rock is exposed to heat and pressure what does it change in to metaphoric rock
scientists classify rocks by composition and texture
What kinds of texture does igneous rock have when magma cools slowly course grained
what process forms sediment weathering
What are strata layers in sedimentary rock
What kind of sedimentary rock is made from dissolved minerals chemical
What kind of sedimentary rock is made from fossils organic
How did humans use rocks for in past to make tools
What has to increase for mataphorphism to occur temperature and pressure
Besides weathering and erosion what other forces shape the earths features deposition and uplift
When magma cools quickly what kind of texture does it have fine grained
What is the largest of all intrusive igneous rock formations batholiths
When temp and pressure change what cqan happen to the minerals in rocks they change into other minerals
during the rock cycle what formas when magma cools igneous rock
besides clastic and chemical what is the other kind of sedimentary rock organic
Besides heat what else can casue a rock to undergo metaphorphism pressure
What do bends or folds in rocks show they have been deformed
Mud craks form when fine grained sediments are exposed to air and dry out
what does lava flow out of on earths surface fissures
what determines the composition of a rock minerals it is made of
What is not a characteristic of a mineral It is formed in a laboratory
smallest part of an element atom
substance than cant be broken down element
substance made of 2 or more elements that have bonded together compound
solid whose atoms ions or molecules are arranged in definate pattern crystal
mineral composed of only one element native element
Minerals that contain silicon and oxygen silicate minerals
90% or earths rocks Feldspar
copper gold and silver native elements
contain one or more elements like lead or iron sulfides
geigor counter is used to detect Radioative
process or returning land to original state reclamation
mineral deposite larde and pure to be mined ore
Not important in formation wind
missing layer of rock disconformity
younger rocks lie on top of older rocks superposition
break in geologic record unconformity
process or wearing down erosion
rock layers arranged in geologic column oldest rocks are on bottom
geologists no tht rock layers are undisturbed rock layers are horzontal
most common type of unconformity disconformity
author of principles of geology Charles lyell
states geologic processes occured in past can be explained by current geologic process uniformataruism
states tht geologic change occurs suddenly catastrophism
study of fossils paleontolgy
largest division of time eon
unit of geologic time tht includes tow or more periods era
unit of geolgic time in wich eras are divided eppoch
death of every member of species extinction
a _______ would be a catastrophe astroid hitting the earth
scientists tht study plants and animals botanist
how do geologists no layers are unditurbed rock layers are horizantle
what do scientists need to no to find the absolute age of a rock rate decay for a radio active element in the rock
ex. is petrified wood mineral replacment
during what era did birds and small mammals begin to evolve Mezosoic
geologists studied earth for ____ years 4.6 million
geologists use ______ to date rock layers index fossils
geologists use the geologic time scale to to didvide earths history into managebale parts
Created by: spammaid
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