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SAI INTERNATIONAL SCHOOL
Class - VI
Subject - Chemistry
Topic – Air around Us
Sub-Topic – Role of the Atmosphere, Ozone Layer

Practice Worksheet

Q. No. Questions Marks Skill
1. What is the amount of carbon dioxide in the air? 1 R

2. DIRECTION: Each of these questions contains an Assertion followed 1 U
by Reason. Read them carefully and answer the question based onthe
following options. You have to select the one that best describes the
two statements.
(a) If both Assertion and Reason are correct and Reason is the correct
explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the
correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
(e) If Assertion & Reason both are incorrect

Assertion (A)- Coastal area is more humid than the place far from the
sea region.
Reason(R)- Percentage of water vapour may vary from place to place.
3. The device used to measure the speed of the wind is 1 U
a) Anemometer.
b) Speedometer.
c) Ammeter.
d) Windmill.
4. The amount of water vapour present in the air is called ……. 1 U

a) Pressure.
b) Work.
c) Humidity.
d) Energy.

5. Which of the following device is used to find out the direction of wind? 1 U

a) Anemometer
b) Speedometer
c) Ammeter
d) Wind Vane
6. 1 U
The wind is more polluted in

a) Delhi.
b) Shimla.
c) Puri.

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