Question

Fill a glass of water. Mark the level of water with

sketch pen. Keep the glass in a refrigerator. Take

it out after 4 hours. Observe the level of water.

What changes do you find ? Write it in note book.

Draw diagrams also. This will lead you the idea

that why does a bottle of cold drink kept in freezer

sometimes burst ?​

Answer 1

because it produces a pressure inside the bottle

Answer 2

because a type of pressure is produced inside the bottle