Igneous Flashcards
1
Q
How are igneous rocks formed?
A
Magma and lava from volcanoes cool to form igneous rocks
2
Q
What is the difference between magma and lava?
A
Magma is inside the volcano and once its erupted on the surface it is lava
3
Q
If the magma or lava cool quickly what size are the crystals in the rock?
A
Small crystals
4
Q
If the magma or lava cool slowly what size are the crystals in the rock?
A
Large crystals
5
Q
Name the two most common igneous rocks
A
Granite and Basalt
