Welcome to your Class 5 Science Chapter 8 Test 2
1.
The lowest layer consists of ________.
2.
Major part of the Earth is made up of ________.
3.
The ________ of the Earth surface is covered by water.
4.
________ is the organic matter produced by the decay of vegetables, plants and dead animals.
5.
The fresh water available to mankind is about ________ of the total water on the Earth’s surface.
6.
The breakdown of rocks by sunshine, severe rains and fast wind blowing is called ________.
7.
On earth, the water is found in:
8.
Humans retain moisture in the soil and make the soil ________.
9.
About ________ of the water on Earth’s surface is frozen.
10.
About ________ of the water in the oceans is salty.
11.
The top layer of soil contains sufficient amount of ________.
12.
Glaciers, rain, lakes, springs and underground water are the sources of ________water.
13.
Below top layer, a layer of subsoil which contains ________.
14.
The water on the Earth is found in ________ states.
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