MEDIUM
7th Kerala Board
IMPORTANT
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It was not possible to drink water using a straw with a hole on its side. Why?

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Important Questions on Pressure in Liquids and Gases

MEDIUM
7th Kerala Board
IMPORTANT
Science for Class 7 - Part 2>Chapter 2 - Pressure in Liquids and Gases>Let us assess>Q 3
Why do sea-divers wear special costume?
MEDIUM
7th Kerala Board
IMPORTANT
Science for Class 7 - Part 2>Chapter 2 - Pressure in Liquids and Gases>Let us assess>Q 4
Haven't you seen an injection needle fixed at the top of a drip bottle when a drip is administered to patients in hospitals? Why?
MEDIUM
7th Kerala Board
IMPORTANT
Science for Class 7 - Part 2>Chapter 2 - Pressure in Liquids and Gases>Let us assess>Q 5
Haven't you noticed sheets, tiles etc. fixed on the roofs of buildings rising up when a strong wind blows? Why does this happen?