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WorksheetsScience Chapter 9 Earth
Total questions: 10
Worksheet time: 2mins
The following are the components of the earth system except
Hydrosphere
Geosphere
Biosphere
Hemisfera
Which zone involves various living things such as humans, animals and plants
Hydrosphere
Geosphere
Biosphere
Atmosphere
Which is TRUE about the starotosfera layer ?
Has a distance 50-80 km
Known as ionosphere
Aircraft flights
Contains light gases such as helium and hydrogen
The diagram shows a natural phenomenon. Which layer is this phenomenon occurring?
Biosphere
Exosphere
Thermosphere
Mesosphere
What is the depth of the midnight zone ?
100 metre
750 metre
2,500 metre
Why the process of photosynthesis does not occur in the midnight zone ?
(a)
Give THREE distribution of water on earth
(a)
Seawater is evaporated by sunlight and is taken to the mainland by clouds before it falls back as rain water. The water in the rivers then flow into the ocean. The process is known as ....
Oxygen cycle
Carbon dioxide cycle
Water Cycle
Nitrogen cycle
State THREE layers of Earth
(a)
The following are the layers found in the earth mantle EXCEPT
Exospehere
Litosphere
Asthenosphere
Mesosphere
