Sand

High school (ages 12+)
Environment & Earth

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/sand

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 sand made of?Sand is tiny grains of rock and shells, about 0.0625 to 2 millimeters wide. They are often made of quartz or calcium carbonate from weathered rocks.
2. How does sand get to the beach?Weathering breaks rocks into small pieces, and rivers, wind, and glaciers carry the grains to the coast where they pile up as sand.

Weathering: The breakdown of rocks, soil, and minerals through contact with the Earth's atmosphere, water, and biological organisms.
Provenance: The origin and history of a rock or mineral, including its source material and transport path.
Aggregate: Inert granular materials, such as sand, gravel, and crushed stone, used in combination with a binder to form composite materials like concrete.