San José (volcano)

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/san-jos-volcano

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?Andes Mountains, Cajón del Maipo region, Chile-Argentina border
2. What is the volcanic complex dimensions?Approximately 10 km (6 mi) x 5 km (3 mi)
3. What is San José volcano and where is it located?San José is a big mountain in the Andes that can erupt. It sits about 90 kilometers east of Santiago, Chile.
4. Why can San José erupt so strongly?It is a stratovolcano built from many layers of lava and ash. These layers can trap pressure, making eruptions powerful and explosive.

Stratovolcano: A large, conical volcano built up by many layers of hardened lava, ash, and rock, often associated with explosive eruptions.
Volcanic Complex: A group of volcanoes that are closely related geologically, often sharing a common magma source and eruptive history.
Subduction Zone: An area where one tectonic plate slides beneath another, leading to geological phenomena like earthquakes and volcanism.
Pyroclastic Flow: A fast-moving current of hot gas and volcanic matter that moves down the sides of a volcano during an explosive eruption.