The Geologic Time Scale

Presentation

•

Geography, Science

•

6th - 8th Grade

•

Medium

Katie Helf

Used 82+ times

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6 Slides • 21 Questions

The Geologic Time Scale

by Katie Helf

Multiple Choice

The Law of Superposition states

Younger rocks layers are on top of older rock layers

Fossils are found in sedimentary rocks

Older rock layers are on top of younger rock layers

Absolute age dating

Multiple Choice

a model scientists use to describe the timing of events and the relationships between those events in earth’s history.

geologic time scale

era

period

epoch

Multiple Choice

The Geologic Time Scale is a record of what?

old geologists

sweet geology music

the known history of rocks and fossils

a list of every living thing ever

Multiple Choice

Which fossil is the youngest

Multiple Choice

A scientist who studies fossil remains in order to study primitive life forms.

Ecologist

Geologist

Zoologist

Palentologist

Multiple Choice

Fossils provide evidence of __________.

how life and the environment has remained stable over time

how the climate and weather has remained stable over time

how life and the environmental conditions have changed over time

Multiple Choice

Which is the youngest rock layer?

Siltstone

Conglomerate

Mudstone

Limestone

Multiple Choice

Which of the fossils is the oldest?

Dinosaur

Bird

Shell

Ammonite

Multiple Choice

Earth is thought to be formed ______ years ago?

200 thousand

3 million

4.6 billion

who knows

Multiple Choice

Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.

true

false

Multiple Choice

The disappearance of a species.

Evolution

Extinction

Migration

Mutation

Multiple Choice

This provides information about the history of life on earth and how organisms lived and evolved over time.

fossil data

fossil evidence

fossil record

remains of fossil

Multiple Select

What two methods are used to divide and classify the geological time scale?

Living organisms

rock strata or layers

DNA

fossils

Multiple Choice

Which time period is the longest?

Precambrian Time

Paleozoic Era

Mesozoic Era

Cenozoic Era

Multiple Choice

Paleozoic, Mesozoic & Cenozoic are all

Epochs

Eras

Periods

Eons

Multiple Choice

When classifying time using the Geologic Time Scale which unit is the largest unit of time?

Period

Eon

Epoch

Era

Multiple Choice

The Mesozoic Era is found in which Eon?

Phanerozoic

Precambrian

Multiple Choice

A unit of geologic time that subdivides eras

period

time span

Multiple Choice

The Triassic Period, the Jurassic Period, and the Cretaceous Period occurred in what era?

Cenozoic

Mesozoic

Multiple Choice

Scientists divided the time between Precambrian Time and the present into three units of time, or eras.

True

False

Multiple Choice

In which time period are we currently living?

Precambrian Time

Paleozoic Era

Mesozoic Era

Cenozoic Era

The Geologic Time Scale

by Katie Helf

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