Oxford University Press solutions for Voyage Geography [English] Class 7 chapter 5 - Study of Weather [Latest edition]

Many people leave their pets in parked cars. They think they will be gone for a few minutes, or it will be alright to leave a window open. The temperature inside a parked car can rise up to more than 50°C in a matter of few minutes, irrespective of it being a hot or a cloudy day.
What would be the right thing to do if you see a pet locked inside a car on a hot day?

 Write true or false. Correct the false statement.

A rise in temperature causes more condensation while a fall in temperature results in evaporation.

 Write true or false. Correct the false statement.

 ‘4 o’clock showers’ are caused by cyclonic rainfall.

 Write true or false. Correct the false statement.

Heavy rainfall occurs on the leeward or rain shadow side of highland.

 Write true or false. Correct the false statement.

 The direction of wind blowing on the surface of the earth is affected by the Coriolis force.

 Write true or false. Correct the false statement.

Cyclones and anticyclones are examples of variable winds.

 Fill in the blanks

The temperature of a place depends upon its __________ ocean currents, _________.

 Fill in the blanks

The pressure difference causes horizontal movement of air called _____ and vertical movement of air called ____.

 Fill in the blank:

Humidity refers to the amount of moisture or __________ present in the air.

 Fill in the blank:

Planetary winds are also called permanent or _________winds.

 Fill in the blank:

The amount of cloud cover in the sky is expressed in ________

What are the elements that determine weather and climate?

Name the factors that determine the temperature at a place.

How does the following element influence the weather of a place?

Temperature

How does the following element influence the weather of a place?

Pressure

Name the various forms of precipitation.

How is the cloud cover shown on a weather map? Give examples.

How is weather different from climate?

What is condensation?

Explain the different forms of condensation: fog, mist, and dew

What do you understand by the term ‘4 o’clock showers’?

What are planetary winds?

Give a brief description of the Westerlies in the northern hemisphere.

What are the local winds? Give a few examples.

With the help of your atlas, encyclopedias, and the Internet, find out about the climate of these places.

1. Mumbai
2. Delhi
3. Kolkata
4. London
5. New York
6. Sydney

In your notebook, draw neat, labelled, coloured sketches of the three different types of rainfall. Alongside each diagram, briefly describe in your own words, how each type of rainfall occurs.

1. The diagram alongside illustrates one of the factors that affect temperature. What is it?
2. Which side of the mountain is likely to have houses and be covered with trees?