Volcanoes Quiz

Which theory helped scientists understand how and where volcanoes erupt?

• Theory of plate tectonics

• Theory of relativity

• Theory of the rock cycle

• Big bang theory

An active volcanic area on earth can be found at…..

• Diverging boundaries

• Converging boundaries

• Hot spots

• All of the above

When lava cools and hardens, it forms which type of rock?

• Igneous

• Sedimentary

• Metamorphic

• The kind of rock depends on the type of volcano

What is the process that breaks rocks apart without changing their chemical composition?

• Chemical weathering

• Physical weathering

• Deposition

• Erosion

What is the process that moves rocks and sediment from one place to another?

• Chemical weathering

• Physical weathering

• Deposition

• Erosion

What is the main vent of a volcano?

• The opening through which lava flows

• The topmost part of the volcano

• The underground chamber holding magma

• The side opening of the volcano

What is a negative impact of volcanoes on people?

• Providing geothermal energy

• Creating new land

• Destroying homes and infrastructure

• Forming beautiful landscapes

What is the term for the flow of hot gas and volcanic matter down the sides of a volcano?

• Lava Flow

• Pyroclastic Flow

• Ash Cloud

• Magma Chamber

What is the term for a volcano that is not currently active but may erupt again?

• Extinct

• Dormant

• Active

• Erupting

Please list the 4 things that cause erosion.

• Wind, Water, Ice, Gravity

• Sunlight, Plants, Animals, Soil

• Heat, Cold, Light, Darkness

• Fire, Air, Earth, Metal