MS LS4 1

During a school trip to a museum, Luna, William, and Daniel saw a variety of fossils. The guide explained that scientists use a certain type of dating to determine the age of one fossil compared to another. What is this type of dating called?

• Relative

• Carbon

• Absolute

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Oliver, Abigail, and Aria are looking at a cliffside with several sedimentary rock layers. According to the law of superposition, which layer is the youngest?

• The bottom layer

• The middle layer

• The top layer

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Mia is studying paleontology and wants to determine if a fossil she found is an index fossil. Which of these laws will NOT help her in her determination?

• Easily recognizable

• Lives only a short period of time

• Should have many of the same fossils in many different layers of the same outcrop

• It is widespread

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NGSS.MS-LS4-1

Anika found a rock near the shore of a lake. She learned that it was formed from smaller pieces of rock that settled at the bottom of the lake millions of years ago. What type of rock did Anika find?

• Sedimentary

• Igneous

• Metamorphic

During a field trip, Benjamin, Mia, and Charlotte were examining a sedimentary rock formation. According to the law of superposition, they noted that the oldest fossils would be found 

• At the top of the rock layers

• Near the bottom of the rock layers

• In the middle of the rock layers

• Somewhat near the surface

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NGSS.MS-ESS1-4

During a school trip to a natural history museum, Ava, Kai, and David saw preserved remains of plants and animals from the remote past. These are called what?

• Sedimentary rocks

• Radioactive dating

• Decayed organisms

• Fossils

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NGSS.MS-LS4-2

Rohan, Noah, and Nora went on a field trip to a geological park. They saw different rock layers. According to their guide, which rock layer is the youngest?

• Siltstone

• Conglomerate

• Mudstone

• Limestone

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NGSS.MS-ESS1-4

Oliver, Liam, and Noah are studying geology and they come across a rock layer. What does the relative age tell them about this rock layer or a fossil they might find in it?

• The age of this rock layer or fossil compared to another one they studied earlier.

• The relative age of a fossil in this layer determined by radiometric dating

• Younger rock layers sit on top of older rock layers

• Older rock layers sit on top of younger rock layers

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Mia, Anika, and Liam are studying the geologic time scale in their science class. Based on their studies, how would they describe the changes in living organisms throughout time?

• They would say that organisms have become more complex and diverse

• They would say that organisms have become more simple and similar

• They would say that organisms have not changed at all

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NGSS.MS-LS4-2

During a field trip, Benjamin, Kai, and Aria observed a sequence of sedimentary rock layers. Which statement best describes the Law of Superposition that they discussed?

• Each sedimentary layer of rock represents 1,000 years of Earth's age, much like the rings of a tree.

• In undisturbed layers of sedimentary rocks, the upper rock layers are older than the lower rock layers.

• In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.

• Rocks that form near volcanoes are older than surrounding rock.

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