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WorksheetsESS Semester 1 Review D
Total questions: 15
Worksheet time: 8mins
By studying Earth's past scientist can get a better idea of how Earth's systems work together.
True
False
Which mass extinction resulted in an asteroid hitting present day Mexico and caused debris to block out the sun, decreasing global temperatures and creating a famine?
Cretaceous-Paleogene Extinction
Triassic-Jurassic Extinction
Permian-Triassic Extinction
Late Devonian Extinction
Ordovician-Silurian
Using the figure, which layer is the youngest?
I
H
B
A
E
How long have modern humans existed compared to the geologic time scale?
about 95% of Earth's history
about 25% of Earth's history
about 50% of Earth's history
about 75% of Earth's history
less than 2% of Earth's history
How do you think scientists determine when an era begins and when it ends?
Based on how scientists felt
Based on land formations that developed
Based on the species that lived and became extinct
Based on the atmospheric conditions
Based on the amount of years in each segment
A specific sample of a radioactive isotope has a half-life of 100 years. If a sample contained 200 mg originally, how much is left after 300 years?
100 mg
200 mg
50 mg
12.5 mg
25 mg
Radioactive isotopes want to break down to become daughter isotopes in a process called?
nuclear fusion
nuclear fission
radioactive decay
radiometric dating
radioactive correlation
An indication there are layers of rock are missing in the strata sequence is called?
Unconformity
Principle of superposition
Correlation
Principle of cross-cutting relationships
Catastrophism
In an undisturbed sequence of sedimentary strata, the igneous intrusion will always be younger then the strata it intruded. This is a statement of what?
The principle of superposition
The principle of cross-cutting relationships
The principle of intrusions
The principle of uniformitarianism
The principle of unconformities
Earth is approximately how old?
13.7 billion years old
4.6 million years old
4 billion years old
4.6 billion years old
2022 Years old
A resource that can be replaced in nature at the rate close to its rate of use is called?
renewable
nonrenewable
nonreplaceable
replaceable
rapid resource
When heat and pressure are applied to a sedimentary rock, it changes into which of the following?
sedimentary rocks
magma
sediment
metamorphic rocks
igneous rocks
When sediment undergoes lithification, it changes into which of the following?
metamorphic rocks
sedimentary rocks
igneous rocks
magma
sediment
Where does all energy directly or indirectly come from?
the sun
the water
the wind
fossil fuels
foods
Who is your Earth Science Teacher?
Mr. Stevens
Mrs. Schenkel
Mrs. Skittles
Mr. Stephens
