Question

A student is using images of rocks to make a rock cycle diagram. The table describes the rocks the student is using:

Name Type
metamorphic slate
sedimentary limestone
igneous obsidian
Which label should the student add to an arrow from the picture of obsidian to the picture of slate?

(1 point)
Responses

pressure and cementation
pressure and cementation

cooling
cooling

heat and pressure
heat and pressure

years of erosion

Answer 1

The correct label the student should add to the arrow from the picture of obsidian (igneous rock) to the picture of slate (metamorphic rock) is:

**heat and pressure**

This transition occurs as the igneous rock is subjected to heat and pressure over time, transforming it into a metamorphic rock.