Fossil and Rock Quiz 8th Grade Science

Which type of fossil is most useful for determining the relative age of rock layers?

• Index fossil

• Trace fossil

• Petrified wood

• Amber fossil

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NGSS.MS-ESS1-4

What is the name of the process by which sedimentary rock layers are formed?

• Erosion

• Deposition

• Melting

• Weathering

Which of the following is NOT a type of rock in the rock cycle?

• Igneous

• Sedimentary

• Metamorphic

• Volcanic glass

What is the main process that turns sediment into sedimentary rock?

• Melting

• Compaction and cementation

• Cooling

• Evaporation

Which term describes the order of rock layers from oldest to youngest?

• Superposition

• Cross-cutting

• Intrusion

• Faulting

Tags

NGSS.MS-ESS1-4

What type of rock is most likely to contain fossils?

• Igneous

• Sedimentary

• Metamorphic

• Obsidian

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NGSS.MS-LS4-1

Which process in the rock cycle involves heat and pressure changing a rock’s structure?

• Melting

• Weathering

• Metamorphism

• Erosion

Which of the following best describes an index fossil?

• A fossil found in only one location

• A fossil of an organism that lived for a short time and was widespread

• A fossil that is very large

• A fossil found in volcanic rock

If a sedimentary rock layer contains a trilobite fossil, what can you infer about the age of the rock layer?

• It is from the Precambrian era

• It is from the Paleozoic era

• It is from the Mesozoic era

• It is from the Cenozoic era

Tags

NGSS.MS-ESS1-4

A geologist finds a layer of volcanic ash between two sedimentary rock layers. How can this help determine the relative ages of the rock layers?

• The ash layer is always the oldest

• The ash layer marks a specific event in time, helping to date the layers above and below

• The ash layer is younger than all other layers

• The ash layer cannot be used for dating

Tags

NGSS.MS-ESS1-4