"Earth's History" - science test review

Which fossils, like a footprint or scat (poop) provide clues about the activities of ancient organisms?

• trace fossils

• index fossils

• timeline fossils

• amber

When a rock is compared to other rocks, scientists can estimate the ______________ of that rock.

• carbon film

• size

• absolute age

• relative age

What does the law of superposition state?

• rock layers all have the same age

• top rock layers are older than the layers beneath them

• bottom rock layers are younger than the layers above them

• top rock layers are younger than the layers below them

Which kind of fossils were found in several places but lived during a short period of time?

• index fossils

• trace fossils

• petrified fossils

• molds

The Precambrian, Paleozoic, Mesozoic and Cenozoic are ______ in the geologic time scale

• epochs

• eons

• eras

• periods

We live in the Cenozoic Era. Therefore, this era is known as the Age of ________.

• Reptiles

• Dinosaurs

• Bacteria

• Mammals

The geologic time scale is a record of what?

• the number of rock layers that make up earth

• how fast fossils form

• the time since dinosaurs became extinct

• the life forms and geologic events in earth's history

Which law states that in horizontal sedimentary rock, the oldest layers are at the bottom?

• Law of Superstition

• Law of Superposition

• Law of Sedimentary

Tags

NGSS.MS-ESS1-4

Thinking of 3 rock layers, which one would contain the oldest fossils?

• top layer

• middle layer

• bottom layer

Tags

NGSS.MS-ESS1-4

Thinking of 3 rock layers that contain fossils, where would recently evolved organisms be found?

• top layer

• middle layer

• bottom layer

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1