definitions
definitions
questions
questions
nj ask practice
100
the rock layer that lies below the soil.
What is bedrock?
100
hot, molten, rock material that flows through active volcanoes and other fractures in earths crust.
What is lava?
100
where was this rock most likely formed?
What is from magma and have large crystals and a very course texture?
100
in what era did the first flowering plants appear?
What is mezasoic?
100
which is a sample of granite?
What is a microscope?
200
the complete body of fossils that shows how species and ecosystems change over time.
What is fossil record?
200
hot molten rock material beneath the surface of the earth.
What is magma?
200
sedimentary rock almost always forms in horizontal layers. explain why?
What is sedimentary rock forms in horizontal layers because they way its deposited accumulaates in a layer.
200
how many millions of years ago did the epoch start?
What is 54.8 million years ago?
200
what type of rock do paleontologists use to study past climates.
What is sedimentary?
300
the table that divides the earths history into eras, periods, and epochs, and so forth.
What is geologic time scale?
300
igneous or sedimentary rock changed by pressure or heat.
What is metamorphic rock?
300
in what type of rock will you most likley find a fossil in?
What is sedimentary rock because its made up of parts of animals.
300
what type of animal became extinct at the end of permian period.
What is trilobites and other marine animals?
300
on what do paleontologists base this system of classification?
What is the method or formation of the rocks.
400
rock formed by the cooling of magma and lava.
What is igneous rock?
400
any substance extracted from earth.
What is mineral resource?
400
which has a greater unit of time, era or epoch?
What is era?
400
how many millions of years did the cambrian period last.
What is 540 million years?
400
which equipment would be most useful for comparing the densities of a sample of granite and a sample of limestone.
What is graduated cylinder and digital balance?
500
a fossil associated with a particular span of geologic time.
What is index fossil?
500
a continuous process in which rocks change from one type to another.
What is rock cycle?
500
which is a less unit of time?
What is period?
500
which periods make up the "age of fishes"?
What is devonian and selirium.
500
what does the precesnese of these fossils indicate about the past of this region?
What is millions of years ago, global sea levels where higher and much of the southeast u.s was beneath an ocean.
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