Relative Dating Quiz Review

The diagram above shows a cross section of a hillside. Four rock units are shown in the cross section. Which of these units is the oldest?

• Sandstone

• Shale

• Limestone

• Igneous

Tags

NGSS.MS-ESS1-4

The diagram below shows a stack of rock layers. Examine the diagram, and answer the question that follows.

Layer T contains a well-known index fossil that is 120 million years old. Layer R contains a different index fossil that is 100 million years old. Based on this information and the principle of superposition, how old is Layer M?

• younger than 100 million years

• either 20 million or 220 million years old

• between 100 million and 120 million years old

• older than 120 million years

Tags

NGSS.MS-ESS1-4

Which of the following is an unconformity?

• Any rock formation or fault is younger than the rock it cuts through

• Looks like a layer is missing in a rock formation

• Age of a fossil, rock, or rock layer compared to another

• History repeats itself. What is happening now, happened in the past, and will happen in the future.

Which of the following is the law of superposition?

• Principle that states that older rock layers/fossils are below younger rock layers

• History repeats itself. What is happening now, happened in the past, and will happen in the future.

• Any rock formation or fault is younger than the rock it cuts through

• Age of a fossil, rock, or rock layer compared to another

What geologic principle(or law) is best displayed here?

• The Law of Superposition

• Extrusion

• Intrusion

Tags

NGSS.MS-ESS1-4

Look at the diagram. In which layer did animal E first appear?

• Layer #4

• Layer #5

• Layer #6

• Layer #8

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following is relative dating?

• Any rock formation or fault is younger than the rock it cuts through

• Looks like a layer is missing in a rock formation

• Age of a fossil, rock, or rock layer compared to another

• Principle that states that older rock layers/fossils are below younger rock layers

Which two fossils would make good index fossils?

• Ammonite

• Gastropod

• Fern

• Trilobite

Tags

NGSS.MS-LS4-1