1
Q
What is the relationship between rocks and minerals?
A
a rock is made of minerals
2
Q
How is an igneous rock formed?
A
melting and cooling
3
Q
How is a metamorphic rock formed?
A
heat and pressure
4
Q
How is a sedimentary rock formed?
A
compacting, and cementing of sediments
5
Q
The crust consists of 95% of what type of rocks?
A
metamorphic and igneous
6
Q
The surface of the Earth consists of 75% of what type of rock?
A
sedimentary
