A Mountain of Layers

Some rocks are small. You can pick them up. Some rocks are big. These hills are really big rocks! They are made of many layers.

Compare the layers.

Compare the layers.

layer

These hills are made of a type of rock called sandstone.

These hills are made of a type of rock called sandstone.

In Other Words

  • pick them up hold them in your hand

  • layers flat parts that sit on top of one another

Before You Move On

  • 1. Analyze Information What do geologists study?

  • 2. Details Describe what a rock might look like.