

Earth's Spheres Extra Credit
Passage
•
Science
•
7th Grade
•
Medium
Casey Cordray
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT one of Earth's five main systems?
Geosphere
Hydrosphere
Ionosphere
Biosphere
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of Earth's water is saline (saltwater in oceans)?
96.5%
75%
50%
25%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do glaciers in the cryosphere contribute to erosion? (We will think of the crysosphere as part of the hydrosphere.)
By melting ice into water
By scouring bits of rock from bedrock
By increasing atmospheric pressure
By promoting biodiversity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of the atmosphere in supporting life on Earth?
Providing habitats for organisms
Shielding Earth from harmful ultraviolet radiation
Forming coal, oil, and natural gas
Breaking down rocks into sediments
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to describe the variety of life within the biosphere?
Abiotic factors
Biodiversity
Atmospheric gases
Hydrosphere
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