WONDER #198: What Is an Earthquake?

Question 1 of 3

Earth can be divided into how many major layers?

1. two
2. four
3. six
4. eight

Question 2 of 3

What occurs when two tectonic plates slip past each other suddenly?

1. earthquake
2. tornado
3. hurricane
4. volcano

Question 3 of 3

Scientists estimate there are how many detectable earthquakes around the world each year?

1. 45
2. 190
3. 1,000
4. 500,000

Check your answers online at https://wonderopolis.org/wonder/what-is-an-earthquake.