Nullarbor Plain

High school (ages 12+)
Geography

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/nullarbor-plain

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 Nullarbor Plain?Approximately 200,000 square kilometers (77,000 sq mi)
2. What is the location?Southern Australia, straddling the border between South Australia and Western Australia
3. What is the geological classification?Extensive karst landscape, world's largest single exposure of limestone bedrock
4. Why is it called "Nullarbor"?The name means "no trees" in Latin. The plain has very little vegetation because the limestone holds little water and the rainfall is very low.
5. How do the caves under the plain form?Rainwater seeps into the porous limestone and slowly dissolves it. Over time this creates big underground chambers and blowholes that can be seen on the surface.

Karst Landscape: Terrain formed from the dissolution of soluble rocks like limestone, often featuring caves and sinkholes.
Limestone Bedrock: The solid, underlying layer of limestone rock that forms the foundation of the plain.
Arid: Characterized by a severe lack of available water, resulting in dry conditions and sparse vegetation.
Miocene Epoch: A geological period spanning from about 23 to 5.3 million years ago, during which much of the Nullarbor's limestone formed.