Smart Rocks

What can we learn from rocks? Rocks tell us about the past. Geologists are scientists who study rocks.

This cliff is made of rock.

This cliff is made of rock.

A geologist studies rocks in this cave.

A geologist studies rocks in this cave.

geologist

Key Vocabulary

  • learn v., to gain knowledge

  • rocks n., a stone of any size

  • scientists n., an expert in science

  • study n., to learn about

In Other Words

  • the past things that happened long ago