Air and Atmosphere
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Composition of Air
SubtopicComposition of Air under Air and Atmosphere for Grade 6 ICSE.
Preview questions (no answers)
- 1.
Plants use Carbon dioxide and release Oxygen. Humans use Oxygen and release Carbon dioxide. This balance is maintained by:
A.The Nitrogen cycle
B.The Oxygen-Carbon dioxide cycle
C.The Water cycle
D.The Rock cycle
- 2.
What is the approximate percentage of Argon in the air?
A.B.C.D. - 3.
Which gas is used for filling weather balloons because it is very light?
A.Nitrogen
B.Helium
C.Oxygen
D.Carbon dioxide
Download the worksheet for Air and Atmosphere - Composition of Air to practice offline. It includes additional chapter-level practice questions.
Properties and Uses of Oxygen and Nitrogen
SubtopicProperties and Uses of Oxygen and Nitrogen under Air and Atmosphere for Grade 6 ICSE.
Preview questions (no answers)
- 1.
Which gas is present in the bubbles that escape from tap water when it is heated?
A.Dissolved air (including Oxygen and Nitrogen)
B.Only Carbon dioxide
C.Pure Hydrogen
D.Steam only
- 2.
What is the effect of Oxygen on a glowing splinter of wood?
A.It puts the flame out
B.It makes the splinter burst into flame
C.It turns the splinter blue
D.Nothing happens
- 3.
Which gas is described as the 'life-giver' or 'life-supporting gas'?
A.Oxygen
B.Nitrogen
C.Helium
D.Argon
Download the worksheet for Air and Atmosphere - Properties and Uses of Oxygen and Nitrogen to practice offline. It includes additional chapter-level practice questions.
Air Pollution and its Control
SubtopicAir Pollution and its Control under Air and Atmosphere for Grade 6 ICSE.
Preview questions (no answers)
- 1.
Which gas makes up the remaining 1% of the atmosphere along with argon and water vapor?
A.Oxygen
B.Nitrogen
C.Carbon dioxide
D.None of these
- 2.
What is the main cause of the hole in the Ozone layer?
A.Planting trees
B.Excessive use of CFCs
C.Using solar energy
D.Breathing
- 3.
Using lead-free petrol helps to reduce the amount of which toxic metal in the air?
A.Iron
B.Lead
C.Gold
D.Copper
Download the worksheet for Air and Atmosphere - Air Pollution and its Control to practice offline. It includes additional chapter-level practice questions.