NCSCOS Grade 8 Earth Science - 8.E.2 Diagnostic Earth History

QuizÂ by NCDPI

Science
North Carolina Standard Course of Study

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### Measures 2 skills fromGrade 8ScienceNorth Carolina Standard Course of Study

8.E.2.1
8.E.2.2

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10 questions
• Q1
This diagram of strata containing fossils is MOST useful for predicting
continental drift
absolute age
relative age
30s
8.E.2.1
• Q2
The main difference between relative dating and absolute dating is that
relative dating gives a numerical age that is relatively close while absolute dating gives age by comparing nearby fossils.
relative dating gives age compared to other nearby objects while absolute dating gives a numerical age.
absolute dating always requires carbon-14 to be present in a sample while relative dating does not.
relative dating requires relatives of the fossil to be living while absolute dating does not.
30s
8.E.2.1
• Q3
What can scientists do to approximate the age of rock layers consisting mostly of sedimentary rock?
Scientists cannot approximate the age of sedimentary rock layers.
Scientists can date the layer of volcanic ash in between sedimentary rock layers
Scientists can approximate the age using ice cores
Scientists can date the layer of rock at the surface and assume one meter of sediment was deposited every 10,000 years.
30s
8.E.2.1
• Q4
The hypothesis that the fossil in layer D is younger than the fossil in layer C is supported by the
Law of Relativity.
Law of Gravity.
Law of Thermodynamics.
Law of Superposition.
30s
8.E.2.1
• Q5
Scientists can determine the age of a layer of rock by
studying how it has been affected by erosion.
comparing the size of one layer with other layers.
identifying the minerals within it.
examining the fossils within it.
30s
8.E.2.1
• Q6
Found in sedimentary rocks, these fossils are hollow areas in the sediment that show the shape of an organism or part of an organism. This type of fossil is called a
cast
trace
carbon
mold
30s
8.E.2.2
• Q7
According to the fossil record, five ________________ took place, which lowered the variety of species found on Earth today.
mass extinctions
mass revolutions
mass cloinings
microevolution
30s
8.E.2.2
• Q8
Fossils of a now extinct dinosaur have been found near the east coast of South America and the west coast of Africa. The dinosaur could not swim or fly. What does this suggest about the continents of South America and Africa?
The continents were once connected.
The same type of animals evolved on both continents.
A land bridge once connected the continents.
Prehistoric man transported the dinosaur between the continents.
30s
8.E.2.2
• Q9
Fossils found in layers of sediment give us clues to Earth's past. Based on the fossil record of this area, we can assume that over millions of years
continents were joined together
sea level receded
climate got colder
glaciers melter
30s
8.E.2.2
• Q10
Which events are associated with transform plate boundaries?
trenches and islands