WorksheetsEarth History 8.E.2.2
Total questions: 3
Worksheet time: 2mins
Name
Class
Date
1.
Which best describes how ice cores are important to the study of geologic history?
a)
They show unconformities, which signal changes in deposition
b)
They hold index fossils, which are used to date the different ice cores
c)
They contain evidence showing changes in the atmospheric composition over time
d)
They follow the law of superposition, which gives reasons for extinctions of species
2.
What do earthquakes tell scientists about the history of the planet?
a)
Earth climate is constantly chan
b)
The continents of Earth are continually moving
c)
Dinosaur bones have been discovered in the mou
d)
The oceans are much deeper today than millions of years ago
3.
How do scientists know that some mountains were once at the bottom of the ocean?
a)
Freshwater rivers flow to the ocean
b)
Saltwater fish are found in some mountain stre
c)
Dinosaur bones have been discovered in the moun
d)
Marine fossils have been found on the peaks of some mountains
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