Quiz about Earth's History and Eons

Question 1

When was the Earth Formed?

Accepted Answer

4.6 Billion Years Ago

Answer

100 Years Ago

Answer

2019 Years Ago

Answer

16.7 Million Years Ago

Question 2

What are the 4 Eons in order?

Accepted Answer

Hadean, Archean, Proterozoic, Phanerozoic

Answer

Hadean, Proterozoic, Archean, Phanerozoic

Answer

Archean, Hadean, Proterozoic, Present

Answer

Hadean, Archean, Proterozoic, Mealrozoic

Question 3

When did the first organisms appear?

Accepted Answer

4-3.5 Billion Years Ago

Answer

20-19 Million Years Ago

Answer

2016 Presidential Election

Answer

3-2 Years Ago

Question 4

During which Eon was Earth called "Snowball Earth"?

Accepted Answer

Proterozoic

Answer

Hadean

Answer

Phanerozoic

Answer

Archean

Question 5

The Earth always had some oxygen.

Accepted Answer

True

Answer

False

Question 6

How many years ago did the moon first form?

Accepted Answer

4.5 Billion Years Ago

Answer

3.2 Million Years Ago

Answer

10 Billion Years Ago

Answer

4.9 Billion Years Ago

Question 7

The most present eon continues to this day starting back about 540 million years ago. During this eon, organisms evolved and died in mass numbers, but also includes the start of human life. What is the name of this eon?

Accepted Answer

Phanerozoic

Answer

Hadean

Answer

Archean

Answer

Proterozoic

Question 8

The moon formed during this eon, this eon occured before life and before the crust had solidified. Lava and magma was everywhere, and lots of comets bombarded the earth, giving the earth the large amounts of water you see today. Which eon is this?

Accepted Answer

Hadean

Answer

Archean

Answer

Proterozoic

Answer

Phanerozoic

Question 9

The moon formed during this eon because a Mars sized planet glanced of the earth, sending some of the earth's top layers and some of this planet going into orbit around the earth, as many small asteroids, which eventually formed one mass of rock, the moon we see today. The moon now causes the tides, low tide and high tide. What eon is this?

Accepted Answer

Hadean

Answer

Archean

Answer

Proterozoic

Answer

Phanerozoic

Question 10

What is considered the basic unit of Geological Time?

Accepted Answer

Periods

Answer

Exclamations

Answer

Minutes

Answer

Hours

Question 11

How are periods, eras, and eons related?

Accepted Answer

Periods are the building blocks of all time. Two or more periods form an era. Two or more eras form a eon.

Answer

Eras are the building blocks of all time. Two or more eras form an eon. Two or more eons form a period.

Answer

Eons are the building blocks of all time. Two or more eons form a era. Two or more eras form an period.

Question 12

What is the difference between the Precambrian and Cambrian time periods?

Accepted Answer

Multicellular life formed at the start of the Cambrian time period.

Answer

Multicellular life formed at the start of the Precambrian time period.

Answer

There is no difference between the time periods.

Answer

There is no Cambrian or Precambrian time period.

Question 13

What was the effect of "The Great Dying"?

Accepted Answer

Almost all organisms perished, which started the evolution of dinosaurs.

Answer

If allowed plants to thrive.

Answer

All organisms could now walk on land and swim in water.

Answer

Water was now more affordable for organisms in any area.

Question 14

What most limits the study of the previous eons?

Accepted Answer

The rock cycle destroys evidence of the previous eons limiting our study of previous eons.

Answer

Scientists can't time travel.

Answer

Due to mass extinctions, some species that we could've studied had gone extinct.

Answer

No evidence of previous eons are written down.

Question 15

What was the effect of snowball earth?

Accepted Answer

It started the evolution of the first complex animals. The first complex organisms, weird tube- and frond-shaped things called the Ediacarans, appeared soon after.

Answer

It allowed snow angels to be made by complex organisms.

Answer

Hot Chocolate was created because of snowball Earth because it was called and organisms wanted a treat.

Answer

There was no effect.

Question 16

There was a time period that occurred approximately 716 million years ago and covered the earth completely in ice and created very cold temperatures on earth. What is the scientific name of this event?

Accepted Answer

Snowball Earth

Answer

Cold Earth

Answer

Snowball Planet

Answer

Frozen Earth

Earth's History and Eons

25 questions

When was the Earth Formed?

What are the 4 Eons in order?

When did the first organisms appear?

During which Eon was Earth called "Snowball Earth"?

The Earth always had some oxygen.

How many years ago did the moon first form?

The most present eon continues to this day starting back about 540 million years ago. During this eon, organisms evolved and died in mass numbers, but also includes the start of human life. What is the name of this eon?

In this eon multicellular life was created. During this eon the Earth was considered the Snowball Earth and the Oxygen Catastrophe occurred causing loss of oxygen on our Earth. This eon is also the 3rd eon in Earth’s history. Which eon is this?

The moon formed during this eon, this eon occured before life and before the crust had solidified. Lava and magma was everywhere, and lots of comets bombarded the earth, giving the earth the large amounts of water you see today. Which eon is this?

In what eon did Earth’s crust form?

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