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WorksheetsLife Chapter 8
Total questions: 40
Worksheet time: 3hrs 58mins
Name
Class
Date
1.
What is pressed together to form rock with a fossil inside?
a)
a hollow
b)
molds
c)
sediments
d)
canyons
2.
Which is an example of Earth’s conditions slowly changing?
a)
meteors striking
b)
volcanoes erupting
c)
continents moving
d)
a mass extinction
3.
How did cyanobacteria change life on earth?
a)
They produced food from light
b)
They moved onto land
c)
They became extinct
d)
They turned into a gas
4.
What gas layer protects Earth from the sun’s radiation?
a)
the sedimentary layer
b)
the nitrogen layer
c)
the oxygen layer
d)
the ozone layer
5.
In what time period did fish develop and trilobites rule the ocean?
a)
the Precambrian time
b)
the Paleozoic era
c)
the Mesozoic era
d)
the Cenozoic era
6.
In what time period did we see the first organisms walk on land?
a)
the Precambrian time
b)
the Paleozoic era
c)
the Mesozoic era
d)
the Cenozoic era
7.
In what time period did dinosaurs rule?
a)
the Precambrian time
b)
the Paleozoic era
c)
the Mesozoic era
d)
the Cenozoic era
8.
the period from the formation of the Earth to 542 million years ago
a)
the Precambrian time
b)
the Paleozoic era
c)
the Mesozoic era
d)
the Cenozoic era
9.
the era following Precambrian time; it means “ancient life”
a)
the Precambrian time
b)
the Paleozoic era
c)
the Mesozoic era
d)
the Cenozoic era
10.
the era called the Age of Reptiles
a)
the Precambrian time
b)
the Paleozoic era
c)
the Mesozoic era
d)
the Cenozoic era
11.
the era following the Mesozoic; it means “recent life”
a)
the Precambrian time
b)
the Paleozoic era
c)
the Mesozoic era
d)
the Cenozoic era
12.
What time period is called the Age of Mammals?
a)
the Precambrian time
b)
the Paleozoic era
c)
the Mesozoic era
d)
the Cenozoic era
13.
the trace or remains of an organism preserved by geological process
a)
fossil
b)
plate tectonics
c)
extinct
d)
geologic time scale
14.
the theory that continents move and were once part of a continent called Pangaea
a)
fossil
b)
plate tectonics
c)
extinct
d)
geologic time scale
15.
word describing a species that has died out completely
a)
fossil
b)
plate tectonics
c)
extinct
d)
geologic time scale
16.
the standard way of representing the history of the Earth and organizing it into manageable parts
a)
fossil
b)
plate tectonics
c)
extinct
d)
geologic time scale
17.
a way of estimating how old something is by comparing it to older or younger objects or events
a)
relative dating
b)
absolute dating
c)
extinct
d)
geologic time scale
18.
any method of measuring the age of an object or event in years
a)
relative dating
b)
absolute dating
c)
extinct
d)
geologic time scale
19.
reptile type that dominated the Mesozoic era
a)
dinosaur
b)
Cenozoic
c)
paleontologists
d)
half-life
20.
the era we live in today
a)
dinosaur
b)
Cenozoic
c)
paleontologists
d)
half-life
21.
scientists who use fossils to study the history of life before humans
a)
dinosaur
b)
Cenozoic
c)
paleontologists
d)
half-life
22.
the time it takes for half the unstable atoms in a rock sample to decay
a)
dinosaur
b)
Cenozoic
c)
paleontologists
d)
half-life
23.
event that may be caused by extreme changes in climate
a)
Pangaea
b)
tectonic plates
c)
mass extinction
d)
half-life
24.
what continents and oceans ride on top of
a)
Pangaea
b)
tectonic plates
c)
mass extinction
d)
half-life
25.
the name for continents in one landmass surrounded by gigantic ocean
a)
Pangaea
b)
tectonic plates
c)
mass extinction
d)
half-life
26.
During Precambrian time there were organisms that didn’t need...
a)
cells
b)
chemicals
c)
oxygen
d)
life
27.
Cyanobacteria used sunlight to make...
a)
nitrogen
b)
cells
c)
eukaryotes
d)
food
28.
Before an ozone layer formed and reduced the radiation reaching the Earth’s surface, most life existed
a)
in the air
b)
in trees and plants
c)
in oceans and underground
d)
on land
29.
Fossils indicate that some of the first animals to live on land were...
a)
crawling insects
b)
dinosaurs
c)
large salamanders
d)
reptiles
30.
The largest mass extinction was near the end of the
a)
Precambrian time
b)
Cenozoic era
c)
Paleozoic era
d)
Mesozoic era
31.
What animals have been dominant in the Cenozoic era?
a)
insects
b)
birds
c)
single-celled organisms
d)
mammals
32.
After an animal covered in sediment decomposes, what can form?
a)
an organism
b)
a set of bones
c)
a fossil
d)
a shadow
33.
Scientists have divided the history of the Earth into large divisions called
a)
years
b)
eras
c)
weeks
d)
fossils
34.
An example of a rapid change in conditions on Earth is
a)
continents moving
b)
tectonic plates shifting
c)
organisms adapting
d)
a meteor striking Earth
35.
When scientists identify the age of a fossil they...
a)
place it in a division of the geologic time scale
b)
cut it up
c)
decide if it’s valuable
d)
decide what continent it belongs on
36.
In Star Wars, which species is actually never mentioned in the films?
a)
ewoks
b)
wookies
c)
hutts
d)
jawas
37.
The Starry Night is an oil on canvas painted by which post-impressionist painter?
a)
picaso
b)
van gogh
c)
monet
d)
rembrandt
38.
Who is next in line to succeed the President, after the Vice President?
a)
speaker of the house
b)
secretary of state
c)
head of the interior
d)
surgeon general
39.
What is the greek god/goddess of victory?
a)
nike
b)
athena
c)
posidon
d)
zeus
40.
Who was the first president of the United States to live in the White House?
a)
john adams
b)
george washington
c)
thomas jefferson
d)
alexander hamilton
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