Law of Superposition Worksheet
Explore the Law of Superposition with this Grade 7 science worksheet, understanding how rock layers reveal Earth's history.
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Law of Superposition Worksheet
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Read each question carefully and answer to the best of your ability. Use the diagram provided for questions related to rock layers.
Observe the diagram of sedimentary rock layers below to answer the following questions.
1. According to the Law of Superposition, which rock layer in the diagram is the oldest?
Layer A
Layer B
Layer C
Layer D
2. The Law of Superposition states that in an undisturbed sequence of sedimentary rock layers, the oldest layers are at the and the youngest layers are at the .
3. The Law of Superposition can be used to determine the exact numerical age of a rock layer.
True
False
4. Explain how fossils found in different rock layers can help scientists understand the relative ages of those layers.
Match the term with its definition.
5. Sedimentary rock
a. The process of forming layers of sediment
6. Superposition
b. Rock formed from compressed sediments
7. Deposition
c. Principle that states oldest layers are at the bottom
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