Identify patterns of change in fossils and rock layers - 4th Grade Science

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Question

Mrs. Elsa claims that the graphic shown below demonstrates a change in the rock layers. She says that they should be lined up with the same color in each row but there has been a shift.

Which natural disaster could cause this change in rock layers that would support Mrs. Elsa's claim?

Screen shot 2020 06 18 at 3.41.22 pm

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Answer

Mrs. Elsa is correct, and the graphic supports her claim. The rock layers should be lined up where the same colors are next to each other, but there has been a shift in the layers caused by an earthquake. When an earthquake shakes the rock formations, the layers are shifted, and there is a disruption in their pattern. This cannot be reversed. It provides scientists with evidence that there was once an earthquake in this area and gives them useful information.

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