WorksheetsThe earth
Total questions: 40
Worksheet time: 23mins
____________ is the outermost system which is an invisible layer of gases that surround the planet.
biosphere
hydrosphere
geosphere
atmosphere
What is the atmosphere made of?
Nitrogen, Oxygen, and Trace gases
Nitrogen, Oxygen, and Helium
Hydrogen, Oxygen, and Trace gases
Nitrogen and Oxygen
Where is most of Earth's water located?
Oceans
Lakes
Ponds
Swamps
Which layer of the Earth is made of iron and some nickel?
crust
mantle
core
Earth spinning on its axis is an example of
Rotation
Revolution
Earth traveling around the sun is an example of
Rotation
Revolution
How long does it take the Earth to make a complete turn on its axis? Select all of the correct answers
1 year
24 hours
1 day
365 1/4 days
How long does it take Earth to make one complete revolution around the sun? Select all of the correct answers
1 year
1 day
24 hours
365 1/4 days
Without the tilt of Earth's axis, we would not have ________
Day and night
Years
Seasons
The moon
___________ means to spin like a top
Rotate
Revolve
Axis
Orbit
____________ is an imaginary line that runs through the Earth from the North to South poles
Rotate
Revolve
Axis
Orbit
What are the 3 main layers of the Earth?
Atmosphere, Hydrosphere, Biosphere
Crust, Mantle, Core
Rock, Magma, Ocean
Top, Middle, Bottom
What is the thinnest layer of the Earth?
Crust
Mantle
Outer Core
Inner Core
What layer of the Earth is represented by the letter A?
Crust
Mantle
Outer Core
Inner Core
One rotation in the Earth takes:
23.5 hours
24 hours
66.5 hours
5 hours, 48 minutes, 46 seconds
Parallels and meridians are:
Real
Imaginary
Lines of LATITUDE
go horizontally around the Earth.
go vertically from the North P. to the South P.
Parallels measure:
Longitude (East-West)
Latitude (North-South)
Greenwich is one:
Parallel
Meridian
What is an Ocean?
small body of water
large body of water
What % of the world is water?
20%
50%
70%
97%
What type of water is in the Ocean?
regular water
salt water
fresh water
spring water
