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Early Earth

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8th Grade

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Early Earth
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

According to scientists, both Earth and moon are...

About 1.6 Billion Years Old
About 4.6 Billion Years Old
About 9.6 Billion Years Old
About 14 Billion Years Old

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

After water vapor condensed to form rain and then gradually accumulated, which of the following was formed?

Earth's First Atmosphere
Earth's Second Atmosphere
Earth's Oceans
Earth's Continents

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is not an important part of Earth's second atmosphere?

Helium
Oxygen
Water Vapor
Carbon Dioxide

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The earliest form of life known on Earth was...

Leafy Plants
Bacteria
Fossils
Single-Celled Organisms

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Scientists believe that __________ and the moon are about the same age.

Earth
Comet

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

According to scientists, Earth began as a ball of dust, rock, and __________.

Ice
Gases

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

___________ pulled this mass together

Gravity
Big Bang Theory

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