Poros stone

High school (ages 12+)
Science & Technology

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/poros-stone

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 geological classification?Lightweight, soft, marly limestone from the Neogene period (Miocene/Pliocene)
2. What is the geographical distribution?Widely occurring formation in Greece, notably abundant in the Peloponnese
3. Why did ancient Greeks use Poros stone instead of marble?Poros stone was easier to quarry and shape, so builders used it for foundations and walls, saving marble for fancy parts.
4. How does Poros stone help build houses?Its softness lets builders cut and fit blocks quickly, making foundations and walls strong and cheap.

Marly Limestone: A calcareous sedimentary rock containing a significant proportion of clay or mud, affecting its texture and workability.
Neogene Period: The geological period spanning from approximately 23 to 2.6 million years ago, characterized by significant changes in flora and fauna.