Lake Onega

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/lake-onega

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 Lake Onega?9,700 km² (3,745 sq mi)
2. How deep is Lake Onega?127 m (417 ft)
3. What is the location?Republic of Karelia, Northwestern Russia
4. What is the drainage basin?Approximately 53,100 km² (20,500 sq mi)
5. Why is Lake Onega important for animals?Its clear, low‑mineral water and many islands create homes for fish like salmon and trout, and many birds use the shores to breed.
6. How many islands are in Lake Onega?Lake Onega has more than 1,300 islands, each offering different habitats for plants and animals.

Oligotrophic: A lake characterized by low nutrient levels, high water clarity, and abundant dissolved oxygen.
Glacial Origins: Formed by the movement and melting of glaciers, a common process for many large lakes.
Hydroelectric Power: Electricity generated from the energy of moving water, often utilizing rivers and lakes.