Exploring Geologic Time and Rocks ESS8.1

What is the largest division of the geologic time scale?

• Era

• Epoch

• Eon

• Period

Tags

NGSS.MS-ESS1-4

Which of the following is a method used to determine the absolute age of a rock?

• Superposition

• Radiometric dating

• Fossil correlation

• Stratigraphy

In geology, what is a mold?

• A type of rock

• A cavity left in rock after an organism decays

• A type of fault

• A method of dating rocks

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What type of rock is formed from the cooling and solidification of magma or lava?

• Sedimentary rock

• Metamorphic rock

• Igneous rock

• Fossil rock

Which principle states that in undisturbed layers of rock, the oldest layers are on the bottom?

• Catastrophism

• Uniformitarianism

• Superposition

• Intrusion

What is a cast in geological terms?

• A type of rock

• A fossil formed when a mold is filled with sediment

• A type of fault

• A method of dating rocks

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which type of rock is typically formed from the accumulation and compaction of sediment?

• Igneous rock

• Metamorphic rock

• Sedimentary rock

• Volcanic rock

What is the term for a break in the Earth's crust where blocks of the crust slide relative to one another?

• Intrusion

• Fault

• Mold

• Cast

Which concept suggests that the same geological processes we observe today have been at work for a very long time?

• Catastrophism

• Uniformitarianism

• Superposition

• Absolute dating

What is an intrusion in geological terms?

• A type of fault

• A cavity left in rock

• Magma that has pushed into surrounding rock and solidified

• A method of dating rocks