Krakatoa

High school (ages 12+)
Environment & Earth

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/krakatoa

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the location?Sunda Strait, Indonesia, situated on a convergent plate boundary
2. What is the volcanic system?Stratovolcano forming a caldera, part of the Sunda Arc
3. What happened at Krakatoa in 1883?In August 1883, Krakatoa erupted with a huge explosion that sent sound waves around the world and made sunsets look very bright.
4. Why was the sound from Krakatoa heard all over the world?The eruption was so powerful that the sound waves traveled around the Earth many times, reaching people thousands of kilometers away.

Stratovolcano: A large, conical volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash.
Subduction Zone: An area where one tectonic plate slides beneath another, often leading to volcanic activity and earthquakes.
Volcanic Explosivity Index (VEI): A scale used to measure the relative size of explosive volcanic eruptions, ranging from 0 to 8.
Ecological Succession: The process by which the community of plant and animal species in an area changes over time.