Weather, Climate and Adaptations of Animals to Climate (Part - 1)

 Weather, Climate and Adaptations of Animals to Climate

Q.1. Which department of the Government prepares the weather reports.

Ans. The weather reports are prepared by the Meteorological Department of the Government. This department collects data on temperature, wind, etc., and makes the weather prediction.

Q.2. Differentiate between weather and climate.

Ans. 

Weather

Climate

It is the day to day condition of the atmosphere at a place at a particular time.

It is the average weather pattern taken over a long period of time.

It can vary over very short periods of time.

It does not vary in short periods.

 

It cannot force adaptations in the organisms.

It forces adaptations in the organisms.

 


Q.3. Define:

a) Weather

b)Humidity

Ans. a) It is the day to day condition of the atmosphere at a place at a particular time.

        b) Humidity is the concentration of water vapor present in the air.

Q.4. a) Name the instrument which measures rainfall.

        b) What causes all changes in the weather?

Ans. a) The instrument which measures rainfall is rain gauge. It is basically a measuring cylinder with a funnel on top to collect rainwater.

    b) All changes in the weather are caused by the heat energy of the sun absorbed and reflected by the earth’s surface, oceans and the atmosphere.

Q.5. At what time of the day/night the temperature at any place is :

A) Maximum?

B) Minimum?

Name the instrument used for recording maximum & minimum temperature of the day.

Ans. The maximum temperature of the day occurs generally in the afternoon while the minimum temperature occurs generally in the early morning.

There are special thermometers for this purpose, called maximum and minimum thermometers.

Q.6. Mention the various factors that affect the weather at a particular region? On the  other hand, what are the factors that affect the climate of a region?

Ans. The day- to-day condition of the atmosphere at a place with respect to the temperature, humidity, rainfall, wind- speed, etc affect the weather at a particular region.

There are six major controls of the climate of any place. They are: latitude, altitude, pressure and wind system, distance from the sea (continentality), ocean currents and relief features.

Q.7.Differentiate between the climate of Kerala and Rajasthan.

Ans. The climate of Kerala is very hot and wet as Kerala have coastal regions while the climate of  Rajasthan is hot and dry as Rajasthan is a desert area and do not get much rainfall.

Q.8. The climate of the north-east is:

a) Wet

b) Hot and dry

c) Hot and humid

d) Cold

Ans. a) Wet

Q.9. The maximum and minimum temperatures are recorded:

a) Every month

b) Every year

c) Every day

d) Every week

Ans. c) Every day


Popular posts from this blog

Friction (part-1)

Image
FRICTION Q.1. What is force? Write few of its characteristics. Ans.1.  A push or a pull on an object is called a force.                      Force is a vector quantity (having magnitude  as well as direction).           S.I. unit of Force is N (Newton).           Force can Change the State of Motion.                   Force can Change the Shape of an Object. s          Q.2. What is friction ?      Ans.2.  The force which opposes the motion of an object on the surface of another object is called force of friction. Force of friction is a contact force. The force of friction always opposes the applied force (direction of motion).  
Read more

Friction (part-2)

Image
FRICTION Q.3.  Suppose your writing desk is tilted a little. A book kept on it starts sliding down. Show the direction of frictional force acting on it. Ans.3.                                 Q.4. What is the cause of friction? Ans.4.  Friction occurs due to the interlocking of irregularities between two surfaces in motion to each other. Every object has some sort of irregularities in its surface, so when two surfaces come in contact with each other and one object moves over the another, so their irregularities get interlocked and moving object starts losing its energy in breaking the interlocking and finally it comes to rest.                                             Q.5. What are the factors on which friction depends? Ans.5.  There are two factors affecting friction: 1.      Nature of the surfaces: Friction increases with roughness and decreases with smoothness of the surfaces. On rough surfaces, there are a larger number of irregularities than the s
Read more
PRACTICE WORKSHEET (CLASS - VIII) TOPIC – FORCE AND PRESSURE 1. When a force acts on a moving object, it can make the object a) move faster b) slow down c) stop d) all of these 2. Name the type of forces involved in the following :  a) A horse pulling a cart _________________________  b) A moving boat coming to rest when rowing is stopped ___________________ c) A coin falling to the ground on slipping from hand ______________________  d) A sticker attached to steel almirah without glue _________________________ 3. Two students fought over a lunch box, both started pulling it from opposite ends but the box didn't move from its place. What will you infer about the magnitude and direction of the forces? 4. An archer shoots an arrow in the air horizontally. However, after moving some distance, the arrow falls to the ground. Name the initial force that sets the arrow in motion. Explain why the arrow ultimately falls down. Assertion / Reason :  For question numbers 5, two sta
Read more