Class 7 - Science
Chapter 8 - Winds, Storms and Cyclones
Worksheet
Fill the missing word in the blank spaces in the following statements:
1. Wind is _________ air.
2. Winds are generated due to ________ heating on the earth.
3. Near the earth’s surface __________air rises up whereas ___________ air comes down.
4. Air moves from a region of _________ pressure to a region of ___________ pressure.
5. Air around us exerts __________ in all directions.
6. Winds carrying ______________ bring rain.
7. Air _________ on heating while ________ on cooling.
8. A cyclone is called a __________ in the American continents and __________ in Japan and Philippines.
9. The word monsoon is derived from the Arabic word _________, which means ‘season’.
10. The centre of the cyclone is the calm area which is called the ____________ of the storm.
11. The instrument that measures the wind speed is called _______________.
12. ____________ is a dark funnel-shaped cloud that reaches the ground from the sky.
Answers:
1: moving
2: uneven
3: warm, cooler
4: high, low
5: pressure
6: water from oceans/rivers
7: expands, contracts
8: hurricane, typhoon
9: Mausam
10: eye
11: anemometer
12: Tornado