The primary cause of volcanic eruptions is the movement of tectonic plates, which can lead to the melting of rocks in the Earth’s mantle, eventually causing magma to rise and erupt as lava.

MCQs

1. What role does magma play in volcanic eruptions?

A) It cools down the Earth’s core
B) It acts as a lubricant for tectonic plates
C) It rises and erupts as lava
D) It solidifies to form the Earth’s crust

2. What is NOT a factor in causing volcanic eruptions?

A) Increase in gas pressure within the magma
B) Decrease in the Earth’s magnetic field
C) Increase in temperature causing rocks to melt
D) Introduction of water into the magma

3. How does water contribute to volcanic eruptions?

A) By cooling down the lava rapidly
B) By increasing the pressure within the magma
C) By acting as a barrier to magma rise
D) By solidifying the magma instantly

4. What is lava?

A) Water expelled from a volcano
B) Magma that has reached the Earth’s surface
C) A type of rock formed under high-pressure
D) Gases released during an eruption

 

Read More

  1. GK Quiz for Class 1
  2. Why do volcanoes erupt?
  3. Volcano
  4. How do Hot Water Geysers Erupt?
  5. Winds, Storms and Cyclones
Quizzes
Banner

About the Author

Content Team

Kidpid Content Team is a team of experienced educators, curriculum researchers, and child-focused content creators specializing in early childhood and primary education. The team develops high-quality, research-based worksheets, learning activities, and educational articles aligned with age-appropriate learning standards. Every resource is carefully reviewed to ensure accuracy, clarity, and educational value, making Kidpid a trusted platform for parents, teachers, and schools worldwide.

View All Articles