Igneous rocks Flashcards
1
Q
What is a igneous rock?
A
A: A rock formed by crystallization or solidification of magma
2
Q
Where do igneous rocks form?
A
A: Near plate or above hotspots
3
Q
What is the earth mostly made up of?
A
A: igneous rocks
4
Q
How do crystals forms?
A
A: they form by molecules settling down in straight lines
5
Q
Cooling of magma will make larger crystals
A
A: Slower
6
Q
Cooling will make small crystals
A
A: Fast
7
Q
Cooling will make no crystals
A
A: instantaneous