Recent Lessons

Show all results for ""

Feature Overview

Ace your exams with our all-in-one platform for creating and sharing quizzes and tests.

Quizzes

Create quizzes and tests automatically from your content using AI.

Flashcards

Automatically turn your notes into digital flashcards.

Share, Export & Embed

Share with classmates or export to Excel and your learning management system.

Stats & Reporting

Auto-grading quizzes and tests with detailed stats and reports.

Mobile Apps

The smarter way to study – wherever you are.

Pricing

Search...

15 Questions

1 Views

Volcanic Hazards and Safety Measures

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is a volcanic hazard?

A volcanic process that causes damage to life or property (correct)

The injection of magma into volcanic rock

A natural disaster that occurs near a volcano

A lava flow that rushes down the slope of a volcano

What can cause the slopes of a volcano to become unstable?

The accumulation of volcanic ash on the slopes

Earthquakes caused by tectonic plate movements

Magma getting injected into the volcanic rock (correct)

Erosion of the volcanic mountain over time

What is a landslide?

A large ocean wave caused by a volcanic eruption

A mass movement of rock fragments, soil and debris downslope (correct)

The gradual erosion of a volcanic mountain over time

A violent expulsion of lava and ash from a volcano

What is the most remarkable feature of a volcano?

The red-hot lava rushing down the slope Signup and view all the answers

What can a volcanic eruption trigger besides lava flow?

Earthquakes and tsunamis Signup and view all the answers

What is the purpose of the lesson described in the text?

To learn about volcanic hazards and how to prevent them Signup and view all the answers

What is the main difference between lava and other volcanic hazards?

Lava is the most visually striking feature of a volcanic eruption Signup and view all the answers

What causes a volcanic earthquake?

Pressure and stress from volcanic activity Signup and view all the answers

How do lahars differ from landslides?

Lahars carry volcanic debris and water, while landslides do not. Signup and view all the answers

What is the potential danger of a lahar mixing with water?

It increases the speed of the lahar flow. Signup and view all the answers

How do communities attempt to protect themselves from lahars?

By constructing barriers to prevent the flow of lahars Signup and view all the answers

What is one potential impact of a lahar damming waterways?

Risk of flooding upstream Signup and view all the answers

Why are lahars described as resembling 'a river of wet cement'?

To compare their dense and destructive nature Signup and view all the answers

What makes lahars impossible to outrun, according to the text?

Their high speeds, traveling tens of meters per second Signup and view all the answers

How does a lahar differ from a volcanic earthquake?

A lahar involves the flow of volcanic debris and water, while a volcanic earthquake does not. Signup and view all the answers