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Early Earth

Authored by Cynthia Aldridge

Biology

9th Grade

Used 79+ times

Early Earth
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How old is the Earth?

3.5 billion year

3.5 million years

4.6 billion years

4.6 million years

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What era are we in?

Cenozoic

Mesozoic

Paleozoic

Proterozoic

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In which era do amphibians begin to evolve?

Precambrian Era

Paleozoic Era

Mesozoic Era

Cenozoic Era

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

In which era do humans begin to evolve?

Precambrian Era

Paleozoic Era

Mesozoic Era

Cenozoic Era

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How many eras have occurred in the earth's history?

2

4

6

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How did water vapor begin to appear on earth?

cell respiration

photosynthesis

human sweat

asteroids hitting the surface

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Estimated first life on earth was ____ .

3.5 million years ago

3.5 billion years ago

4.6 million years ago

4.6 billion years ago

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