Why does hot air rise up?

Important Questions on Some Natural Phenomena

HARD

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 5 - Some Natural Phenomena>EVALUATE>Q 1

How is cyclone formed? Explain with the help of a diagram.

HARD

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 5 - Some Natural Phenomena>EVALUATE>Q 2

The earth revolves and rotates. How does the rotation and revolution of the earth cause uneven distribution of Sun's heat on the earth?

HARD

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 5 - Some Natural Phenomena>EVALUATE>Q 3

What are different forces that act on a kite when it flies? Name them and explain their working with the help of a diagram.

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 5 - Some Natural Phenomena>EVALUATE>Q 4

Name the factors on which atmospheric pressure depends. Explain how does atmospheric pressure changes when we go to the mountains.

HARD

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 5 - Some Natural Phenomena>EVALUATE>HOTS

How does an aeroplane fly in the sky? Does atmospheric pressure affect the flight of aeroplane?

MEDIUM

7th CBSE

IMPORTANT

WOW! SCIENCE Hands-on Learning in SCIENCE 7>Chapter 5 - Some Natural Phenomena>EVALUATE>Value and life skills

A super cyclone moved in from the Bay of Bengal to hit the coastal Odisha on $29^{th} October 1999$ . This super cyclone with a wind speed of over $250 km / h$ has left $1.5 million$ people homeless and the death toll is believed to be as high as $1, 00, 000$ .