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geologic time scale review GREEN

geologic time scale review GREEN

Assessment

Presentation

Science

8th Grade

Practice Problem

Easy

NGSS
MS-ESS1-4, MS-LS4-1, MS-LS4-4

+3

Standards-aligned

Created by

Jennifer (Jenny) Green

Used 4+ times

FREE Resource

19 Slides • 22 Questions

1

media

2

Multiple Choice

Geologic Time Scale

  • Division of _______________________

1

Man's history

2

Universal history

3

Earth's History

4

America's History

3

Multiple Choice

Geologic Time Scale

  • Based on the _____________________ that lived only during certain periods

1

Life forms

2

Elements in the air

3

Soil Distribution

4

Air Quality

4

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5

media

6

Multiple Choice

Question image

Divisions of the Geologic Time Scale

  • ______________

    • Longest subdivision

1

Eon

2

Era

3

Period

4

Epoch

7

Multiple Choice

Question image

Divisions of the Geologic Time Scale

  • ______________

    Marked by major, world wide changes in types of fossils present

1

Eon

2

Era

3

Period

4

Epoch

8

Multiple Choice

Question image

Divisions of the Geologic Time Scale

  • ______________

    Categorized by the types of life existing

1

Eon

2

Era

3

Period

4

Epoch

9

Multiple Choice

Question image

Divisions of the Geologic Time Scale

  • ______________

    Smaller units of time

1

Eon

2

Era

3

Period

4

Epoch

10

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11

media

12

Multiple Select

Question image

Divisions of the Geologic Time Scale

What determines when a time division begins or ends?

1

Major events

2

Eras

3

Period

4

Extinctions

13

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14

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15

Multiple Select

Index Fossils 

  • Remains of species that existed on Earth for____________

1

Very close together

2

Short periods of time

3

Long Periods of time

4

Widespread

16

Multiple Choice

Index Fossils 

What do geologists use to estimate the age of rocks

1

Periodic Table

2

Short periods of time

3

Fossil Index

4

Widespread

17

Multiple Choice

Question image

This picture is an example of

1

Organism Index

2

Shell Index

3

Rock Index

4

Fossil Index

18

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21

Multiple Choice

Precambrian Time

4.5 billion years ago - 544 million years ago = 4 billion years of time

Contains ____________ of Earth’s history

1

20%

2

80%

3

90%

4

65%

22

Multiple Choice

Precambrian Time

  • Cyanobacteria: Blue-green algae

  • Tiny, soft-bodied organisms

    these are examples of ?

1

the earliest non-life forms

2

the earliest life forms

3

the earliest atoms

4

the earliest food sources

23

media

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media

25

Multiple Choice

Paleozoic Era

544 million years ago - 248 million years ago

What type of life was present?

1

Land

2

Air

3

Wind

4

Ocean

26

Multiple Choice

Paleozoic Era

  • First _________________ appear - FISH!

  • Life moved on to land

1

vertabrates

2

gills

3

wings

4

snails

27

Multiple Choice

Paleozoic Era

First _____________ extinction happens

1

Minor

2

Mass

3

Small

4

Nothing happened

28

media

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30

Multiple Select

Question image

Mesozoic Era - “Middle Life”

248 million years ago - 65 million years ago

Age of the dinosaur!

Appearance of _____________, _______________, and _______________

1

mammals

2

Sunlight

3

birds

4

Flowering plants

31

Multiple Choice

Question image

Mesozoic Era - “Middle Life”

2nd Mass __________________ happens

1

comet

2

extinction

3

explosion

4

nothing happens

32

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Multiple Choice

Cenozoic Era - “Recent Life”

  • 65 million years ago - Today

  • Known as the "age of ______"

1

Scrat

2

Mammoths

3

Tigers

4

Mammals

35

Multiple Choice

Cenozoic Era - “Recent Life”

  • Most recent _____________ accured

1

Scrat

2

heat wave

3

ice age

4

stone age

36

media

37

Multiple Choice

 

  • The process in which groups of species _________________________________

1

era

2

explosion

3

extinctions

4

epoch

38

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40

Multiple Choice

what percentage of a species needs to gone in order for it to be considered extinct?

1

10%-20%

2

50%-70%

3

70%-90%

4

100%

41

Multiple Choice

what percentage of a species needs to gone in order for it to be considered endangered?

1

10%-20%

2

50%-70%

3

70%-90%

4

100%

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