MEDIUM
9th CBSE
IMPORTANT
Earn 100

How does evaporation cause cooling?

Important Questions on Matter in Our Surroundings

MEDIUM
9th CBSE
IMPORTANT

How can the evaporation of a liquid be made faster?

MEDIUM
9th CBSE
IMPORTANT

How does perspiration (or sweating) help to keep our body cool on a hot day?

MEDIUM
9th CBSE
IMPORTANT

How does the water keep in an earthen pot (matka) become cold during summer?

MEDIUM
9th CBSE
IMPORTANT

Why do we wear cotton clothes in summer?

EASY
9th CBSE
IMPORTANT

Why do we sprinkle water on the roof or open ground in summer?

MEDIUM
9th CBSE
IMPORTANT

Why is ice rubbed on a burnt part of the skin?

MEDIUM
9th CBSE
IMPORTANT

Why does our palm feel cold when we put some acetone (or perfume) on it?

MEDIUM
9th CBSE
IMPORTANT

Why are we able to sip hot tea (or coffee or milk) faster from a saucer than from a cup?