Earth Science Quiz. Are you good at science?

cheyx3

New member
I posted about this earlier but here are the questions. thanks guys!


Question 1

Rocks lower in a rock formation are older than those above them based on

the law of superposition

original horizontality

cross cutting relationships

all of the above




Question 2
The father of modern geology is ____________.

Wegener
Darwin
Hutton
Galileo



Question 3
__________ time is determined by measuring the amount of radioactive isotopes in a rock.

relative
geologic
contemporary
absolute



Question 4
Fossils are usually found in __________ rock.

igneous
metamorphic
sedimentary
all of the above




Question 5
When examining rock layers

fossils discovered are usually of extinct species

older fossils are found deeper in the rock layer

fossils discovered provide evidence of evolution

all of the above




Question 6
Why are index fossils important?

they tell us what organisms are still alive

they illustrate organisms that were alive throughout earth's history

they identify organisms that were alive at only certain times during history

their morphology is the same as all other fossils




Question 7
Which is the correct sequence of terms from smallest to largest?
period, epoch, eon, era

era, epoch, period, eon

epoch, eon, era, period

epoch, period, era, eon




Question 8
Which era are we currently in?

Mesozoic
Cenozoic
Paleozoic
Phanerozoic



Question 9
From which time were the first fossils discovered?

Cenozoic
Mesozoic
Phanerozoic
Precambrian



Question 10
Which of the following is true about early earth?

There was no oxygen.

Animals were alive before plants.

The first fossils were from 4.2 billion years ago.

Stromatolites are animal remains from before oxygen.




Question 11
Stromatolites are fossils of early organisms.

True
False



Question 12
The majority of Earth's history occurred during the Precambrian eon.

True
False



Question 13
An era is a subdivision of a period.

True
False



Question 14

After two half-lives there will be _________ of the parent isotope remaining.

100%
50%
25%
12.5%



Question 15
How old is the earth?

4.55 billion years old

4.0 billion years old

3.5 billion years old

2.8 billion years
 
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