WorksheetsEarth as a planet.
Total questions: 15
Worksheet time: 8mins
What are the two main gases the earth's atmosphere is made up of ?
Oxygen and Nitrogen
Oxygen and Carbon-dioxide
Nitrogen and Carbon-dioxide
Hydrogen and Helium
Greenhouse effect is a
Endogenic process
Natural process
Man-made process
Chemical process
The inner most layer of the earth is
Crust
Mantel
Core
Lithosphere
Mantel is ________% of the earth's mass
21
1
84
15
The core is composed of-
Oxygen and nitrogen
Iron and Nickel
Silica and Magnesium
Silica and Aluminium
The crust extends for about ______miles
50
11
100
25
Earth's axis is inclined by ______
23.7 degrees
23.0 degrees
23.5 degrees
23.5 degree
What is the temperature at surface of oceanic crust?
-5 degrees
0 degrees
5 degrees
It depends
SIMA Floats above SIAL. True or False
True
False
________ is 2900 km thick
Crust
Mantle
Inner Core
Outer Core
Which layers of Earth are mostly made of solid material?
Inner core and outer core
Crust and inner core
Crust and mantle
Mantle and outer core
The inner core of Earth is solid because of the
Rate of rotation
Extreme temperature
Amount of pressure
Magnetic field
Earth is made of different layers that have varying characteristics. Which is the thickest layer?
The mantle
The inner core
The outer core
The crust
Which section of Earth is composed primarily of liquid metal?
Crust
Mantel
Outer core
Inner core
A student uses clay to construct a modle of Earth . Which layer of the modle should be the thinnest layer?
The layer representing the mantel
The layer representing the outer core
The layer representing the inner core
The layer representing the crust
