Chapter 8 - Igneous Rocks Flashcards
1
Q
Igneous Rock
A
- Means “born of fire”
- Formed when magma or lava cools and crystalises
2
Q
Magma
A
Hot molten located beneath earths surface
3
Q
Lava
A
When magma reaches surface
4
Q
Extrusive Rock
A
Lava that cools quickly have small crystals. It traps air forming holes, making it light.
5
Q
Intrusive Rock
A
Magma that cools slowly have large crystals.
6
Q
Color
A
Can inform us where it was formed. Mafic is dark, Felsic are light.
