Quiz about Geology - The Birth of Earth

Question 1

How old is the Earth?

Accepted Answer

4.6 billion years

Answer

46 billion years

Answer

4 billion years

Answer

.46 billion years

Question 2

About how much of Earth's history is made up of the Precambrian time?

Accepted Answer

88%

Answer

12%

Answer

2%

Answer

50%

Question 3

Cyanobacteria created this gas during the Precambrian Era.

Accepted Answer

Oxygen

Answer

Carbon Dioxide

Answer

Hydrogen

Answer

Nitrogen

Question 4

During the precambrian age:

Accepted Answer

prokaryotes dominated

Answer

dinosaurs dominated

Answer

eukaryotes dominated

Answer

archaea dominated

Question 5

Where did life originally form?

Accepted Answer

oceans

Answer

land

Answer

atmosphere

Answer

center of Earth

Question 6

What elements make up the Earth's core?

Accepted Answer

nickel and iron

Answer

granite and basalt

Answer

gold and titanium

Answer

fluffy bunnies and unicorns

Question 7

How old are the oldest known fossils? In other words, when did life first appear on Earth?

Accepted Answer

3.5 billion years old

Answer

4.6 billion years old

Answer

4 billion years old

Answer

65 million years old

Question 8

What event formed the original ancient atmosphere?

Accepted Answer

outgassing by volcanoes

Answer

photosynthesis

Answer

cellular respiration

Answer

meteorite collisions

Question 9

Which of the following gases are given off by volcanoes?

Accepted Answer

carbon dioxide

Answer

oxygen

Answer

ozone

Answer

ethanol

Question 10

Where did the water on Earth come from?

Accepted Answer

volcanoes and comets

Answer

cellular respiration

Answer

photosynthesis

Question 11

The earth and moon were formed during which of the following eons?

Accepted Answer

Hadean

Answer

Proterozoic

Answer

Archean

Answer

Phanerozoic

Question 12

What are the three eons of the Hadean, Archean, and Proterozoic called together?

Accepted Answer

Precambrian Time

Answer

Cambrian Time

Answer

The Age of Reptiles

Answer

The Oligocene

Question 13

What was the earth like during PreCambrian time?

Accepted Answer

intense volcanic activity, very warm temperatures

Answer

tropical climate with warm shallow seas

Answer

vegetation and tectonic movement

Answer

cooler temperatures because of nuclear winter

Question 14

One major difference between the Earth and the Moon is:

Accepted Answer

The Moon does not have plate tectonics.

Answer

the Earth does not have an atmosphere.

Answer

The Earth is much smaller than the Moon.

Answer

The Moon is much older than the Earth.

Question 15

Scientists are able to determine how the Earth formed by:

Accepted Answer

all of the above.

Answer

radioactive dating of meteorites.

Answer

analyzing craters on the Earth and Moon.

Answer

studying the size an composition of other planets.

Question 16

Earth does not have nearly as many craters as the Moon because:

Accepted Answer

many of the Earth's craters have eroded away.

Answer

the Moon protected the Earth from many asteroid impacts.

Answer

the Earth's magnetic field deflects incoming asteroids.

Answer

the Earth isn't as old as the Moon.

Question 17

Smaller particles collecting together into larger and larger objects is called . . .

Accepted Answer

accretion

Answer

contraction

Answer

explosion

Answer

rotation

Question 18

The moon probably formed when...

Accepted Answer

A Mars-sized object rammed into the Earth

Answer

A piece of the Earth broke off due to it's fast rotation

Answer

Earth captured the moon gravitationally as it attempted to pass by.

Answer

the molten bubble of the Earth budded.

Question 19

The earth was once and probably more than once covered in ice. Where did life survive during "Snowball earth"?

Accepted Answer

In the water under the ice

Answer

It lived in the ice

Answer

Meteors brought life to earth after it ended

Answer

Life completely went extinct

Question 20

The Earth has a magnetic field because

Accepted Answer

there is movement of iron in the core

Answer

It has a liquid core made of silicon

Answer

The surface is solid

Answer

NASA created it

Question 21

The Earths magnetic field

Accepted Answer

Protects the Earth from solar radiation

Answer

Is part of the atmosphere

Answer

Is created by satilites

Answer

Has never changed

Question 22

The Earth's magnetic field extends form the north pole to the south pole into space

Accepted Answer

Answer

<p>False</p>

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