Geologic History of Earth
Authored by Gerard Sullivan
Science
6th - 8th Grade
NGSS covered
Used 32+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The basalt intrusion occurred...
after the limestone was deposited.
before the granite was formed.
before the limestone was deposited.
before all three layers were formed.
Answer explanation
The basalt intrusion occurred after the limestone was deposited, indicating that the limestone layer existed before the basalt formed, making this the correct choice.
Tags
NGSS.MS-ESS1-4
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following conclusions can be drawn from the data in this diagram?
Jellyfish and trilobites never competed for resources.
Trilobites and dinosaurs did not live at the same time.
Most mammals are in competition with birds for resources.
Mammals did not appear until after the dinosaurs went extinct.
Answer explanation
The diagram indicates that trilobites existed in a different geological period than dinosaurs, confirming that they did not live at the same time. This rules out competition between them.
Tags
NGSS.MS-ESS1-4
NGSS.MS-LS4-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The fossil remains of organisms with skeletons are not found in the lowest layers of rock discovered. How is the lack of fossilized skeletons in the lowest rock layers best explained?
Organisms with skeletons did not evolve until after these rock layers formed.
The fossils of organisms with skeletons are only found in the oldest rocks.
Fossil skeletons are usually crushed if other rock layers are above the ones they are in.
Organisms with skeletons live only at the highest altitudes, which is where they turn to fossils.
Answer explanation
The absence of fossilized skeletons in the lowest rock layers suggests that organisms with skeletons did not exist at that time, indicating they evolved later, after these rock layers had formed.
Tags
NGSS.MS-LS4-1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The illustration here shows rock layers in their original order, along with a fracture in some rock layers caused by an earthquake. Based on the evidence in the illustration, an earthquake occurred -
before layer W was deposited.
before layer X was deposited
after layer Y was deposited.
after layer Z was deposited.
Answer explanation
The fracture indicates an earthquake occurred before layer X was deposited, as the layers above the fracture (including X) must have formed after the earthquake disrupted the original order.
Tags
NGSS.MS-ESS1-4
NGSS.MS-ESS2-2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The illustration shows rock layers from three different locations and fossils the rock layers contain. The fossils are all trilobites, ancient organisms that were different over time. Which conclusion can be drawn from the information in the illustration?
The trilobite Cyclopygidae appeared most recently of those shown here.
The trilobite Ceratopigidae appeared before all the others.
The trilobite Remopleiridae is the oldest of all the trilobites.
The trilobite Asaphidae appeared most recently of those shown here.
Answer explanation
The trilobite Asaphidae is identified as the most recent based on the fossil layers shown. This indicates that it appeared later than the other trilobite families represented in the illustration.
Tags
NGSS.MS-ESS1-4
NGSS.MS-LS4-1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When examining rock layers, you will find the oldest layers at the bottom. Newer minerals and rock are piled on top and, over time, this creates distinct rock layers. This is called _______.
The Law of Superstition
The Law of Suspicion
The Law of Horizontality
The Law of Superposition
Answer explanation
The correct choice is 'The Law of Superposition,' which states that in undisturbed rock layers, the oldest layers are at the bottom and the newer layers are on top, forming a chronological sequence.
Tags
NGSS.MS-ESS1-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fossils of trees were discovered in a sedimentary rock layer, and in a rock layer below were fossils of clams. Based on this evidence, what conclusion can be made about the sequence of climates in the past in the area where the fossils were discovered?
Based on the evidence, it can be assumed that this area was an underwater forest.
Based on the evidence, it can be assumed that this area was a forest before it was a beach or ocean.
Based on the evidence, it can be assumed that this area was an ocean or beach before it was a forest.
Answer explanation
The presence of clam fossils in the lower layer indicates a marine environment, suggesting that the area was an ocean or beach before the forest developed, which is supported by the tree fossils found above.
Tags
NGSS.MS-ESS1-4
NGSS.MS-LS4-1
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