Earth's Layers and Composition
Interactive Video
•
Science, Geography, Other
•
4th - 5th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three main layers of the Earth mentioned by Dr. Binocs?
Crust, Mantle, Core
Mantle, Core, Surface
Core, Crust, Atmosphere
Crust, Ocean, Core
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the thickness of the Earth's crust under the land compare to that under the oceans?
Twice as thick
Same thickness
Three times as thick
Half as thick
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of the Earth's total mass is made up by the mantle?
50%
70%
85%
95%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How thick is the Earth's mantle?
1800 miles
1000 miles
500 miles
3000 miles
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the state of the rocks in the first 50 miles of the mantle?
Liquid
Soft and pliable
Gaseous
Very hard and rigid
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary composition of the Earth's outer core?
Gas
Molten lava
Solid rock
Water
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To what depth does the Earth's outer core extend beneath the surface?
3000 miles
4000 miles
2000 miles
1000 miles
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