Class 8 Some Natural Phenomena CBSE Questions & Answers

Class 8 · Some Natural Phenomena

This is Science Class 8 Some Natural Phenomena CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
A device used to test whether an object is carrying charge or not is called
  • A
    Electroscope
    Correct
  • B
    Charge meter
  • C
    Voltmeter
  • D
    Electrometer
2
During lightening actually ________ take place.
  • A
    Electric charge accumulation
  • B
    Electric charging
  • C
    Electric discharge
    Correct
  • D
    All of above
3
During thunderstorm which action may be done?
  • A
    Using a mobile phone
    Correct
  • B
    Using telephone having code
  • C
    Switching ON and OFF of electrical switches
  • D
    All of the above
4
To protect tall building from the damage of lightening, what should be done?
  • A
    Install lightening conductor
    Correct
  • B
    Have a roof top garden with tall tree
  • C
    Installing a large dish antenna
  • D
    Installing antenna at roof-top
5
During thunderstorm it is safer to
  • A
    Use umbrella
  • B
    Stand in open field
    Correct
  • C
    Take shelter under short tree
  • D
    Take shelter under tall tree
6
Seismograph is an instrument used to record
  • A
    Strength of wind
  • B
    Temperature
  • C
    Lightening
  • D
    Vibration of earthquake
    Correct
7
The centre of cyclone is known as
  • A
    Middle of hurricanes
  • B
    Nose of hurricanes
  • C
    Ear of hurricanes
    Correct
  • D
    Eyes of hurricanes
8
A wind vane is used to measure the
  • A
    Wind direction
    Correct
  • B
    Wind speed
  • C
    Air humidity
  • D
    Air pressure
9
A balloon when taken near candle burst because
  • A
    Balloon melts
  • B
    Air inside condense
  • C
    Balloon reduced in size
  • D
    Air inside expands
    Correct
10
In Japan cyclone is known as
  • A
    Hurricane
  • B
    Storm
  • C
    Typhoon
    Correct
  • D
    Thunderstorm
11
Cyclone warning is issued
  • A
    12 hrs advance
  • B
    36 hrs advance
  • C
    24 hrs advance
    Correct
  • D
    48 hrs advance
12
Dark funnel shaped cloud reaches to earth from sky are called
  • A
    Lightening
  • B
    Typhoon
  • C
    Tornado
  • D
    Cloud burst
    Correct
13
Which of the following is not a natural phenomenon?
  • A
    Earthquake
  • B
    Lightening
  • C
    Cyclone
  • D
    Cooking
    Correct
14
Rapid volume of air due to lightening cause
  • A
    Thunder
    Correct
  • B
    Cyclone
  • C
    Flood
  • D
    All of these
15
Natural disaster can not be predicted as
  • A
    They are rare
  • B
    They last for short duration
  • C
    They do not provide clue
  • D
    They occurs suddenly
    Correct