4. Kendrick sees a display of rock samples at a museum. The information included in the display is as follows:

Question

​Rock A formed from liquid rock.
Rock B formed from small pieces of rock in a different place.
Rocks A and B formed at about the same time.

Are Rocks A and B the same or different types of rock?

The rocks are

Responses

a
different types because they formed in different ways.
different types because they formed in different ways.

b
different types because they formed in different places.
different types because they formed in different places.

c
the same type because they both formed from rock material.
the same type because they both formed from rock material.

d
the same type because they formed at the same time.

Answer 1

The correct response is:

a different types because they formed in different ways.

Rock A formed from liquid rock (igneous rock), while Rock B formed from small pieces of rock (sedimentary rock). Since they have different formation processes, they are classified as different types of rocks.