Lesson 1 - Are They Among Us? Vocabulary

_______ is a subdivision of a geologic eon and is the second-longest period of geologic time.

• era

• epoch

• period

• age

The _________ contains all known fossils in the Earth's history arranged in chronological order.

• fossil record

• geological survey

• mineral deposit

• rock formation

Tags

NGSS.MS-LS4-1

What is it called when a lot of different living things die out quickly?

• mass extinction

• evolution

• speciation

• adaptation

Tags

NGSS.MS-LS4-1

What is the study of fossilized animals and plants called?

• Paleontology

• Geology

• Archaeology

• Biology

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The ________ is the geologic age of a fossil, as defined by other rocks or fossils.

• relative age

• absolute age

• fossil record

• geologic time

Tags

NGSS.MS-ESS1-4

What is the term for the gradual change in living things over many generations due to changes in inherited traits?

• evolution

• revolution

• mutation

• adaptation

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

__________ is an organism preserved (kept) in rock that is common to a particular time or environment and used to help identify geologic periods.

• index fossil

• sedimentary rock

• igneous rock

• metamorphic rock

Tags

NGSS.MS-ESS1-4

A ___________ is a scientist who studies the fossils of ancient animals and plants.

• paleontologist

• geologist

• biologist

• archaeologist

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

___________ is the method used to find out how old a fossil or rock is by checking how radioactive elements inside it have changed over time.

• radiometric dating

• carbon dating

• fossilization

• stratigraphy

Tags

NGSS.HS-PS1-8

___________ is a way to find out how old a rock layer is by looking at the ages of the layers above and below it.

• relative dating

• absolute dating

• radiometric dating

• carbon dating

Tags

NGSS.MS-ESS1-4