Lesson 4 Igneous Rocks
- What is magma? How does magma differ from lava?
magma is completely or partly molten rock, which when cooled solidifies to form igneous rocks composed of silicate minerals.
What is an earthquake?
Ground shaking caused by the sudden and rapid movement of
one rock slipping past another along fractures in earths crust called
faults. (pg. 240)
What is elastic rebound?
When the stress along the faul