Font size
WorksheetsPlanet Earth
Total questions: 13
Worksheet time: 12mins
List the three main parts of the planet Earth
(a)
How many levels of Atmosphere?
4
5
6
3
Oxygen makes up about _________________ of the air.
one-fifth
four-fifths
79%
2%
The_____________contains the ozone layer.
Troposphere
Stratosphere
Mesosphere
Ionosphere
Exosphere
What is the distance of Ionosphere from earth's surface ?
1 to 10 miles
10 to 30 miles
30 to 50 miles
50 to 300 miles
The element that makes up about four-fifths of the air is______________________.
Oxygen
Nitrogen
Carbon Dioxide
Argon
The lowest level of the atmosphere is called the____________________.
Stratosphere
Troposphere
Mesosphere
Exosphere
What is the meaning of Hydro ?
Land
Air
Water
Globe
How many percent of the earth's surface is covered by water?
61%
51%
77%
71%
How many layers our earth has?
3
4
5
6
The very center of our earth is called the_____________
crust
mantle
core
Under the crust is part of the earth called the__________.
core
crust
mantle
The crust is made up of hard rocks called____________.
Granite and basalt
Lead and zinc
Sand and dirt
