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
The power of earthquake is measured in terms of
  • A
    Richter scale
    Correct
  • B
    Newton
  • C
    Fernier scale
  • D
    Pascal
2
Lightening conductor is made up of
  • A
    Wooden
  • B
    Cotton
  • C
    Non-metal
  • D
    Metal
    Correct
3
_________ are used to protect the building against lightening.
  • A
    Earth wire
  • B
    Lightening conductor
    Correct
  • C
    Magnetic field
  • D
    Lightening insulator
4
An earthquake is the
  • A
    Fast rotation of earth
  • B
    Sudden shaking of earth
    Correct
  • C
    Volcanic eruption
  • D
    Fast revolution of earth
5
Lightening is caused due to accumulation of
  • A
    Charge in the water
  • B
    Charge in the clouds
    Correct
  • C
    Charge in building tops
  • D
    Charge in air
6
The earthquake measuring 7 or more on Richter scale
  • A
    Can cause damage to old building
  • B
    Do not cause severe damage to life and property
  • C
    Can cause severe damage to life and property
    Correct
  • D
    Can cause damage to aquatic life only
7
Which scientist showed that lightening and sparks from clothes is same phenomenon?
  • A
    Benjamin Franklin
    Correct
  • B
    Alfred Noble
  • C
    Isaac Newton
  • D
    Rutherford
8
Weathering is the
  • A
    Change in temperature
  • B
    Frequent change in weather
  • C
    Breaking down of rocks
    Correct
  • D
    No change in weather for longer time
9
The boundaries of earth
  • A
    Volatile zone
  • B
    Default zone
  • C
    Poor zone
  • D
    Fault zones
    Correct
10
The outermost layer of earth is called
  • A
    Core
  • B
    Mantle
  • C
    Crest
    Correct
  • D
    Mountain
11
Earthquake is caused by
  • A
    Disturbance deep inside the earth crest
    Correct
  • B
    Disturbance in mantle of earth
  • C
    Disturbance in core of earth
  • D
    Disturbance in upper layer of earth crest
12
Which of the following is not a natural phenomenon?
  • A
    Lightening
  • B
    Cyclone
  • C
    Earthquake
  • D
    Cooking
    Correct
13
During lightning and thunderstorm safe place is
  • A
    Open field
    Correct
  • B
    Tall tree
  • C
    High building
  • D
    High pillar
14
Which of the following state India is not likely to be affected by earthquake?
  • A
    Gujarat
  • B
    Jammu Kashmir
  • C
    Uttar Pradesh
    Correct
  • D
    Rajasthan
15
The electric charges generated by rubbing are
  • A
    Active charge
  • B
    Uniform charge
  • C
    Electric charge
  • D
    Static charge
    Correct