Some Natural Phenomena Quiz - CBSE Class 8 Science

Free practice quiz: Some Natural Phenomena (CBSE Class 8 Science). 15 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. Which of the following is a natural phenomenon?

   1. The invention of the wheel
   2. The eruption of a volcano
   3. The construction of a bridge
   4. The writing of a book
   Show answer

   Answer: B. The eruption of a volcano

   Volcanic eruptions are naturally occurring events.

2. How are rainbows formed?

   1. Reflection of sunlight by water droplets
   2. Refraction and reflection of sunlight by water droplets
   3. Diffraction of sunlight by water droplets
   4. Absorption of sunlight by water droplets
   Show answer

   Answer: B. Refraction and reflection of sunlight by water droplets

   Rainbows are formed by the refraction and reflection of sunlight in water droplets.

3. What is the Richter scale used to measure?

   1. The intensity of a hurricane
   2. The magnitude of an earthquake
   3. The speed of wind
   4. The amount of rainfall
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   Answer: B. The magnitude of an earthquake

   The Richter scale measures the magnitude of an earthquake.

4. Explain the role of tectonic plates in causing earthquakes and volcanic eruptions.

   1. Tectonic plates have no relation to earthquakes or volcanic eruptions
   2. Movement and collision of tectonic plates cause these phenomena
   3. Only volcanic eruptions are related to tectonic plates
   4. Only earthquakes are related to tectonic plates
   Show answer

   Answer: B. Movement and collision of tectonic plates cause these phenomena

   The movement and interaction of tectonic plates are the primary cause of earthquakes and volcanic activity.

5. What is a landslide?

   1. A slow movement of soil and rock
   2. A sudden movement of soil and rock down a slope
   3. A type of volcanic eruption
   4. A type of earthquake
   Show answer

   Answer: B. A sudden movement of soil and rock down a slope

   A landslide is the movement of a mass of rock, debris, or earth down a slope.

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