Show:
Defintion
Defintion
Question
Question
NJ ASK Practice
100
What is Bedrock
the rock layer that lies below by the soil
100
What is lava
hot melted rock material that flows from active volcano
100
What is a rock cycle?
A continuous process from where a rock changes from one type to another.
100
Which is a lesser unit of time?
Period.
100
Which equipment would be most useful for a scientist studying the crystals in a sample of granite?
c.
200
What is fossil record
The complete body of fossils that show how spiecs and ecosystem change over time
200
What is magma
hot molten liquid rock material beneath the surface of the earth
200
Igneous rock has large crystals and a very rough texture. Where was this rock most likely formed?
Below the surface.
200
What era first had plants appear?
Mesozoic.
200
Which type of rock do paleontologists use to study climates?
D.
300
What is geologic timescale
a table that divide the earths history
300
What is metamorphic rock
ingneous or sedimentary rocks change by pressure or heat
300
Sedimentary rocks almost always forms and harms out the layers?
Formed from sediment bits of rock parts of animals.
300
How many millions of years ago did Eocene epoch start?
54.8 million years.
300
Which type of rock is formed when heat and pressure changes but does not melt rock.
C.
400
What is ingenuous rock
rock formed by the cooling of magma or lava
400
What is mineral resource
any substance that is extracted from earth
400
What kind of rocks are most likely to find a fossil?
Sedimentary rocks are formed in each layer.
400
What type of animal existed at the end of the permian period?
Tribbytes and other marine animals.
400
Do geologists base this system on classification between the three types of rock?
D.
500
What is index fossil
a fossil associated with a particular span of geologic time
500
What is sedimentary rock?
Rock formed from weathered product of pre-existing rocks
500
Which is a greater unit of time?
Era.
500
How many millions of years did Cambrian period last?
54 million years.
500
Which equipment would be most useful for comparing the densities of a sample of granite and a sample of limestone?
A.