Top Threats to Humanity & Existential Risks


Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

How widespread is an existential risk?

Create Your Account To Take This Quiz

As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed.

Try it risk-free
Try it risk-free for 30 days. Cancel anytime
Already registered? Log in here for access

1. What would happen to New York City if ocean levels were to rise by 20 feet?

2. In 1945, how many hydrogen bombs would it have taken to destroy the world?

Create your account to access this entire worksheet
A Premium account gives you access to all lesson, practice exams, quizzes & worksheets
Access to all video lessons
Quizzes, practice exams & worksheets
Certificate of Completion
Access to instructors
Create an account to get started Create Account

About This Quiz & Worksheet

This quiz and its attached worksheet help you find out what you know about existential threats to humanity. Make sure you can identify different threats and how dangerous they are to humankind.

Quiz & Worksheet Goals

Use this quiz to review your knowledge and understanding of:

  • The effect a 20 foot sea water rise would have on New York City
  • How many hydrogen bombs it was believed would destroy the world in 1945
  • The size of an existential crisis

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the material, such as how bio-warfare is classified in terms of threat level
  • Information recall - access the knowledge you've gained regarding the effect fracking has had on Oklahoma's rate of natural disasters
  • Knowledge application - use your knowledge to answer questions about the effect that different attacks and events would have on the world

Additional Learning

You can improve your understanding of disasters and dangerous weapons by watching or reading the lesson titled Top Threats to Humanity & Existential Risks. This lesson will explore:

  • The work done by Climate Central
  • How the mere lack of water can impact a region and population
  • The effect of droughts and flash floods