WorksheetsHistorical Geology
Total questions: 15
Worksheet time: 23mins
Which statement best describes the principle of uniformitarianism? (Mark the one best answer.)
Deposition occurs faster today than it did in ancient environments.
Rocks form by the same processes today as in the past
Weathering and erosion can be fast or slow, depending on the type of rock.
Earth’s geological features were formed by a few catastrophic events.
Why is uniformitarianism an important principle to consider when making inferences about how Earth’s geology has changed over millions of years?
Uniformitarianism is about organisms forming at the horizon because of gravity.
Uniformitarianism is rock that has broken and has a younger layer in the break.
Uniformitarianism is when someone clones all organisms to make them identical to all other organisms on the planet.
Uniformitarianism says that the processes that presently shape Earth have occurred in the past.
The age of rocks and geologic features compared with other rocks and features nearby
unconformity
superposition
absolute age
relative age
In undisturbed rock layers, the oldest rocks are on the bottom.
correlation
superposition
uniform
unconformity
Idea that conditions and creatures on Earth change in quick, violent events that have caused mass extinction.
lateral
index fossil
uniformitarianism
catastrophism
How long ago did the Grand Canyon to form?
5 to 6 million years
2 million years
100 years
The Grand Canyon formed by the following processes:
The rock was weathered and eroded by a river.
The rock was at the bottom of a lake and the was weathered and eroded by a river.
The rock was at a bottom of a lake, was lifted up and then weathered and eroded by a river.
The Grand Canyon was weathered and eroded by wind and weather.
States that younger rocks lie above older rocks if the layers have not been disturbed
superposition
cross-cutting
unconformity
uniformitarianism
