Air & Water-Test-2


Air and water

Study the given pie chart carefully and answer the Q. 1,2

  1. According to the given pie chart, which activity makes the maximum usage of water?

A. Washing clothes

B. Bathing

C. Drinking

 

  1. Which activity makes minimum usage of water?

A. Drinking water

B. Flushing toilets

C. Bathing

 

Vikram measured the rainfall during a week using rain gauge. The given table shows the measurements of rainfall. Study the given table carefully and answer the Q.3,4,5

  1. On which day did it rain the most?

A. Saturday       B. Wednesday  C. Tuesday

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  1. On which day/s Vikram can play in the Sun?

A. Friday and Saturday

B. Monday and Tuesday

C. Wednesday and Thursday

 

  1. What is the total rainfall received during the week?

A. 26.1 cm         B. 26.0 cm        C. 26.3 cm

 

Look at the given image carefully and answer the Q.6,7,8

  1. What happens right before the rain falls?

A. Sun heats the water

B. Water vapour condense to form the clouds

C. Water evaporation takes place

 

  1. What happens right before water flows to the ocean?

A. Rain falls

B. Water vapour condense to form the clouds

C. Water level rises in the atmosphere

 

  1. Which step best describes the process of evaporation?

A. Step 2            B. Step 1             C. Step 3

 

  1. Match the following according to the physical properties of the states of matter:

  1. The clouds are made up of:

A. Dust particles

B. Tiny water droplets

C. Gases present in the atmosphere

 

  1. Water turns into steam when it is:

A. Heated          B. Cooled           C. None of these

 

  1. Which of the following can be placed in the space “X”?

A. Water            B. Kerosene       C. Wax

 

  1. Water boils at ___ and freezes at ____.

A. 100ºC; 0ºC

B. 0ºC; 100ºC

C. 90ºC; 0ºC

 

  1. Fill in the blank “X”.

Water X

A. Ice

B. Water vapour

C. No changes take place

 

  1. Change in the state of matter of water depends on its:

A. Density          B. Volume         C. Temperature

 

Answer Keys

(1)–B; (2)–A; (3)–A; (4)–B; (5)–B; (6)–B; (7)–A; (8)–C; (9)–(1-b, 2-c, 3-a); (10)–B; (11)–A; (12)–A; (13)–A; (14)–B; (15)–C