MEDIUM
6th CBSE
IMPORTANT
Earn 100

List five activities that are possible because of the presence of air.

Important Questions on Air

MEDIUM
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Analyse>Q 1
Take an empty glass bottle. Turn it upside down. Dip the open mouth of the bottle into the bucket filled with water as shown in Figure 15.13 (a). Does water enter the bottle?
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Now tilt the bottle slightly. Can you see water entering the bottle? Do you see bubbles coming out of the bottle or hear any bubble sound Figure 15.13(b)? Can you explain bubbles coming out of the bottle?
HARD
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Analyse>Q 2
Look at the picture of the following animals in Figure 15.14. Explain how do these animals take in oxygen.
HARD
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Analyse>Q 3
Whales and fishes found in water. Can you identify its breathing organ? Does it breathe through gills? Why do whales breathe differently than fishes?
MEDIUM
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Think Beyond>Q 1
How will you show that air is dissolved in water? Explain through an experiment.
MEDIUM
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Think Beyond>Q 2
Why do we sneeze at times when we inhale lots of dust-laden air?
MEDIUM
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Think Beyond>Q 3
Mountaineers carry oxygen cylinders with them while climbing high mountains. Why?
MEDIUM
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Think Beyond>Q 4
How will you support the statement ‘plants and animals are interdependent in terms of exchanging gases'?
MEDIUM
6th CBSE
IMPORTANT
Pruquest Science>Chapter 15 - Air>Values to Learn>Q 1

During winter vacations, Manava and Urja went to meet their grandmother who lives in Kosani. To protect them from cold, Grandmother lighted angithi in their room. Both Manav and Urja felt warm and cozy and immediately fell asleep. Sometime in the late night, Urja felt suffocated and started coughing heavily. Manav woke up, immediately opened the main door of the room and saved Urja from further suffocation.

What values were shown by Manav?