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

heat and pressure
heat and pressure

cooling
cooling

years of erosion
years of erosion
Skip to navigation
page 16

1 answer

The student should add the label "heat and pressure" to the arrow from the picture of obsidian (igneous rock) to the picture of slate (metamorphic rock). This is because slate is formed from the metamorphosis of sedimentary rock under heat and pressure.