Paleoarchean

High school (ages 12+)
History & Culture

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/paleoarchean

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. How big is Paleoarchean?Vaalbara may have formed during this era
2. What is the geological interval?Paleoarchean, within the Archean Eon
3. What is the chronometric boundaries?3,600 to 3,200 million years ago
4. When did the Paleoarchean happen?It happened between 3,600 and 3,200 million years ago, right after the planet was getting ready for life.
5. Did life start during the Paleoarchean?Yes! Scientists have found evidence of tiny microbes in rocks from that time, showing that life began then.

Chronometric: Relating to measurement of time, especially in geology using absolute dating methods.
Abiogenesis: The natural process by which life arises from non-living matter, such as simple organic compounds.
Prokaryotic: Single-celled organisms that lack a nucleus and other membrane-bound organelles.