P/Tr extinction event

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/ptr-extinction-event

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 duration of major volcanism?Estimated to have lasted for several hundred thousand years
2. What is the global temperature anomaly?Estimated increase of 8-10°C during the event
3. What was the Great Dying?The Great Dying was a huge event about 252 million years ago when most plants and animals on Earth disappeared. It was the biggest extinction in Earth’s history.
4. Why did the Great Dying happen?Scientists think it was caused by huge volcanoes in Siberia that released a lot of gases, making the planet very hot and hurting oceans and land life.

Large Igneous Province (LIP): An extremely large accumulation of igneous rocks, including intrusive and extrusive, arising from magma upwelling.
Ocean Anoxia: A condition in which the Earth's oceans lack dissolved oxygen, leading to widespread marine death.
Archosaurs: A group of reptiles that includes the ancestors of dinosaurs, birds, and crocodilians.