the rock cycle Flashcards
(10 cards)
1
Q
what are the three rock types?
A
sedimentary, metamorphic, and igenous.
2
Q
how are sedimentary rocks formed?
A
from particles of sand, shells, pebbles, and other fragment types.
3
Q
how are metamorphic rocks formed?
A
under the surface of the earth from the metamorphosis that occurs due to intense heat and pressure.
4
Q
how are igneous rocks formed?
A
when magma cools and hardens.
5
Q
what are some physical features of sedimentary rocks?
A
sand, pebbles, or stones in the rock.
6
Q
what are some physical features of metamorphic rocks?
A
shiny crystals.
7
Q
what are some physical features of igneous rocks?
A
shiny and glass-like.
8
Q
what are two examples of sedimentary rocks?
A
- conglomerate
- limestone
9
Q
what are two examples of metamorphic rocks?
A
- gneiss
- marble
10
Q
what are two examples of igneous rocks?
A
- bassalt
- obsidian
