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Olympiad (Class 7) Winds, storms and cyclones — practice questions

Explore 61 free Winds, storms and cyclones questions in Olympiad (Class 7) Science. Open each question or exercise to read its content, reference answers and available explanation.

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Winds, storms and cyclones questions and exercises with answers

Showing questions 1–30 of 61.

Air near the ground flows from which area to which?Read the answer and worked solution →Which cause mainly creates the pressure differences that drive winds?Read the answer and worked solution →A weather report says a westerly wind is blowing. Toward which direction is the air moving?Read the answer and worked solution →A flag on a pole stretches toward the south during a northerly wind. Where does the wind come from?Read the answer and worked solution →Which instrument, often with rotating cups, is used to measure wind speed?Read the answer and worked solution →Which simple device pivots on a pole so that it points into the wind?Read the answer and worked solution →How is a windsock's angle of hang useful at airports?Read the answer and worked solution →What is the scientific study of wind called?Read the answer and worked solution →What is the solar wind?Read the answer and worked solution →On a sunny afternoon at a beach, in which direction does the breeze usually blow?Read the answer and worked solution →Why does the land warm up faster than the sea in sunshine?Read the answer and worked solution →Why does air over hot ground rise?Read the answer and worked solution →Wind squeezes through a narrow mountain gap. Its speed?Read the answer and worked solution →Moist wind blows up a mountain ridge. On which side does most of the rain fall?Read the answer and worked solution →What is a difference in wind speed or direction over a short distance called?Read the answer and worked solution →How does strong vertical wind shear affect a young cyclone?Read the answer and worked solution →Why is wind shear a danger to aircraft at take-off and landing?Read the answer and worked solution →Which feature identifies a tropical cyclone at its centre?Read the answer and worked solution →What is a strong tropical cyclone over the northwestern Pacific Ocean called?Read the answer and worked solution →A strong tropical cyclone forms over the Atlantic Ocean. What is it called?Read the answer and worked solution →Viewed from above, how do winds circle a cyclone in the Southern Hemisphere?Read the answer and worked solution →Which effect makes cyclones spin in opposite directions in the two hemispheres?Read the answer and worked solution →Where does a tropical cyclone mainly get its energy from?Read the answer and worked solution →What is the typical range of diameters of tropical cyclones?Read the answer and worked solution →Cyclones need a sea surface temperature of about what value to develop?Read the answer and worked solution →A cyclone drifts over waters much cooler than 26.5 degrees Celsius. What is likely to happen?Read the answer and worked solution →Why does a cyclone usually weaken after moving over land?Read the answer and worked solution →A cyclone strikes a country. Which area generally suffers far less damage?Read the answer and worked solution →At the centre of a mature tropical cyclone, what does the air mostly do?Read the answer and worked solution →During a violent storm, a ship's crew finds the sky clear and wind calm for a while. Where are they likely to be?Read the answer and worked solution →

Worked practice questions

Air near the ground flows from which area to which?

  1. High to low pressure
  2. Low to high pressure
  3. Cold to colder places
  4. Dry to wetter places
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Correct answer: A. High to low pressure

Air always shifts from the higher-pressure area toward the lower-pressure area, and that movement is felt as wind.

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Which cause mainly creates the pressure differences that drive winds?

  1. Moon's gravity pull
  2. Temperature differences
  3. Ocean salt content
  4. Earth's magnetic field
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Correct answer: B. Temperature differences

Uneven heating makes some air warm and light and some cool and dense, which sets up pressure differences.

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A weather report says a westerly wind is blowing. Toward which direction is the air moving?

  1. From east to west
  2. From south to north
  3. From west to east
  4. From north to south
Show answer and solution

Correct answer: C. From west to east

Winds are named by the direction they come from, so a westerly wind travels from the west toward the east.

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