Q1. Fill in the blanks
a. In USA____________ are called hurricane.
b. Earthquakes originate due to the movement of __________ plates and their collision.
Q2. Give reason:
a. Chandigarh is unlikely to be affected by cyclone.
b. Riya kept an empty plastic bottle inside a refrigerator. After few hours, when she
opened the refrigerator, she found the bottle had collapsed.
c. When strong high speed wind blow, an umbrella held upright at times gets upturned.
Q3. Rohan was very happy that there was his birthday party. He was decorating the room by
blowing balloons. He wondered that most of his balloons got burst. He rushed to his father and
asked the reason. His father smiled and explained.
a. What could be reason for bursting of balloons?
b. What can be concluded from the condition mentioned?
c. What are the values shown by Rohan?
Answers
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1
Mark me brainliest :) the answers are:
1.a) cyclones
b) tectonic
2. a) Chandigarh is an inland state that is far from large water bodies, so it won't be affected by hurricanes.
b) The cold temperature of the fridge causes the air in the fridge to be denser due to higher pressure, so the bottle is crushed.
c) The fast winds lower the air pressure over the umbrella causing a vacuum that pulls the fabric, causing the umbrella to be upturned
3. a) high air pressure in balloons caused them to burst
b) The high air pressure in the balloon pushes the membrane outwards, causing the balloon to blast. So, pressure differences can be dangerous.
c) He has a scientific temper and curiosity, both of which are important qualities for any person to have.
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