When did oceans form on Earth?

Formation of Oceans on Earth Quiz

Quiz
•
Science
•
2nd Grade
•
Hard
Kathleen Peterson
FREE Resource
37 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After the appearance of life
Early in Earth's history
During the dinosaur era
At the beginning of the human era
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was one of the sources of water for the formation of oceans?
Gases from the sun
Liquid water from underground reservoirs
Gases (water vapor) from volcanoes
Water imported by humans
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did water from comets and asteroids contribute to the formation of oceans?
By bringing frozen water that melted on Earth
By creating atmospheric water vapor
By generating heat to evaporate existing water sources
By transporting water in liquid form
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to tectonic plates over time that affects the oceans?
They dissolve into the ocean water
They cause the ocean volume to increase
They move, leading to the formation of new oceans and the disappearance of old ones
They prevent any changes in the ocean
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Has the volume of water in the oceans changed over time?
Yes, it has increased significantly
Yes, it has decreased significantly
No, it has remained constant
The text does not provide this information
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the average salinity of seawater?
25 parts per thousand
35 parts per thousand
45 parts per thousand
55 parts per thousand
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How have minerals and salts been moved into rivers and streams?
Evaporation of seawater
Rain washing over rocks
The flow of underground aquifers
Melting of polar ice caps
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