Boulder

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/boulder

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 primary transport mechanisms?Glacial action and fluvial processes
2. What is the geomorphological impact?Influences river channel morphology and terrestrial soil development
3. How do boulders become so big?Boulders form when big rocks break apart by freeze‑thaw, heat, or chemical changes. Then they can travel on glaciers, rivers, or slides.
4. Why are boulders important for nature?Boulders shape the land, make shade, keep soil moist, and give homes to insects, mosses, lichens, and small animals.

Clast: A fragment of rock or mineral, such as a pebble, cobble, or boulder.
Glacial Erratic: A boulder or rock fragment transported by a glacier and deposited far from its origin.
Fluvial Processes: Geological processes associated with rivers and streams, including erosion and deposition.