16 Questions
What does the activity with the bottle immersed in water demonstrate?
Air occupies space
Which gas in the air supports burning?
Oxygen
What is the main constituent of air?
Nitrogen
Why does water rush into the bottle when it is tilted?
Air rushes out, creating a vacuum
What is the conclusion drawn from the activity where a candle is placed in a big bowl and lit?
Oxygen helps in burning.
What does the presence of the ozone layer in the Earth's atmosphere help protect humans from?
Harmful ultraviolet rays of the sun
What gas is produced when burning something, as mentioned in the text?
Carbon dioxide
How can the presence of water vapor in the air be verified?
Observing condensation of water outside a glass of iced water
What gas helps in burning, as concluded from the activity with the candle placed in a big bowl?
Oxygen
Which gas is mentioned to be present in the Earth's atmosphere and helps protect humans from harmful ultraviolet rays of the sun?
Ozone
How is the presence of water vapor in the air verified, as explained in the text?
By observing condensation of water outside a glass of iced water
Apart from oxygen, which gas is mentioned to be produced when burning something?
Carbon dioxide
What is the purpose of the activity described in the text?
To illustrate that oxygen supports burning
What happens when the candle is covered with an inverted glass in the activity?
The candle extinguishes due to lack of oxygen
What gas is released when plants and animals undergo respiration?
Carbon dioxide
Which gas is not mentioned as a component of air in the text?
Methane
This quiz activity explores the presence of air in a seemingly empty bottle by demonstrating the displacement of water. Participants will learn how air occupies space even if it cannot be seen, through a simple experiment with a bottle and water. Follow the steps provided to observe the effects of air pressure on the liquid inside the bottle.
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