Worksheets7.10A Evidence for Changes Over Time
Total questions: 12
Worksheet time: 7mins
If the sediments in the image have not been disturbed, which rock layer would represent the oldest layer of rock?
layer A
layer E
layer B
A geologist finds the fossil remains of a Tyrannosaurus rex in rock layer "C" Which of the following statements would be true given the law of superposition?
A fossil found in rock layer "E" would be older than the T. rex fossil.
The T. rex fossil would be younger than rock layers "D" and "E"
A fossil found in rock layer "D" would be younger than the T. rex fossil.
Which of the following are forms of evidence we use to demonstrate how the Earth has changed over time? Select 3 correct answer.
fossil evidence
ocean currents
Pangaea
seafloor spreading
What evidence of plate tectonics is demonstrated in the image? Select 2 correct answers.
fossil evidence
relative dating
continental fit
rock strata
The theory of ______ proposes that continents have not always been in their current locations and once may have been part of a ______ called Pangaea. But the theory does not explain how the continents moved.
Which terms best complete the sentence?
superposition; ocean
continental drift; supercontinent
continental drift; superocean
superposition; supercontinent
Look at the image.
Based on the law of superposition, which fossil in the diagram can be used as evidence that Locations 1, 2, and 3 used to be connected?
Gastropod
Trilobite
Coral
Crinoid
Which of the following best describes fossil evidence that supports that Earth has changed over time?
Fossils of an oceanic fish species are found on the same continents.
Fossils of an extinct plant are found on two different continents.
Fossils of different extinct birds are found on two different continents
The same species of plant is currently growing on two different continents.
Which of the following is evidence that supports that the modern continents were once joined together as a supercontinent? Select THREE correct answers.
Fossils of the same species were found in Africa and South America.
The continents appear to fit together like puzzle pieces.
Fossils of the same species were found in different locations in North America.
Rocks of the same type and age were found in North America and Europe.
Evidence suggests the Earth is approximately how old?
4.6 billion years old
4.6 million years old
100 billion years old
20,000 years old
Which type of fossil is not an actual part of an organism, but evidence it
existed, like footprints, nests, or eggs?
index fossil
trace fossil
amber fossil
body fossil
What type of fossil would scientists use to determine the ages of rock layers?
trace fossils
strata
index fossils
relative dating
Which of the following do geologists NOT use to determine the age of rocks
and fossils?
relative dating
superposition
seafloor spreading
index fossils
