Question

On a hot day, a child drinks all the water in a plastic bottle. She then screws the
cap back tightly on the bottle, so that the bottle contains only air. She throws the
bottle into a waste basket, where the Sun shines on it. After a while in the Sun’s
rays, the air in the bottle is much hotter than before.
(i) State what has happened to the pressure of the air in the bottle.
(ii) In terms of the behaviour of the air molecules, explain your answer to (i)

Answer 1

Answer:

(i) It has more pressure

(ii) The air molecules have become warm

Explanation:

Answer 2

Explanation:

The pressure of the air in the bottle will increase when bottle becomes hot due to sunrays.