Ob

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/ob

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 long is Ob?Approximately 3,650 miles (5,870 kilometers)
2. What is the river system?Ob-Irtysh River system
3. What is the location?Western Siberia, Russia
4. Where does the Ob River start and where does it go?The Ob River begins in the mountains of Siberia and flows west across the flat West Siberian Plain. It joins the Irtysh River and eventually reaches the Arctic Ocean.
5. Why is the Ob River important for cities like Novosibirsk?The Ob River lets boats travel and carry cargo, which helps people move goods and grow towns. It also supplies water for factories and homes.

Hydrographic: Relating to the measurement and description of the features of bodies of water.
Quaternary Glaciations: The periods of extensive ice sheet formation and melting that occurred during the most recent geological epoch.
Fluvial Erosion: The process by which a river wears away rock and soil.
Permafrost: Ground that remains frozen for two or more consecutive years.