Geography Flashcards
3 rock types
1
Q
Metamorphic
A
Heat & pressure acting on an existing rock.
2
Q
Igneous
A
Molten rock also known as magma cooling slowly underground creating a igneous rock. They can also be formed by volcanoes erupting and the magma rising to the Earth’s surface.
3
Q
Sedimentary
A
These rocks are formed when sand, mud and pebbles come together and form layers. Over time the layers build up and they are eventually lithified into a rock.
4
Q
Magma
A
Liquid molten rock found under the Earth’s surface
5
Q
Lava
A
Liquid molten rock found on the Earth’s surface.
6
Q
Weathering
A
The break down of rocks into smaller pieces
7
Q
Erosion
A
The process of rock process being carried away
8
Q
Deposition
A
Rock particles being laid down by water or air.
