The Rock Cycle Flashcards
1
Q
Name the three types of rocks
A
Igneous rocks, sedimentary rocks and metamorphic rocks
2
Q
How are igneous rocks formed
A
Either magma cools slowly underground or lava cools quickly on the earths surface it depends where it is
3
Q
How are sedimentary rocks formed
A
When sediment is deposited and compacts at the bottom of oceans
4
Q
How are metamorphic rocks made
A
When existing rocks are changed by heat and pressure deep underground
5
Q
Give an example of a igneous rock
A
Granite or obsidian
6
Q
Give an example of a sedimentary rock
A
Sandstone or shale
7
Q
Give an example of a metamorphic rock
A
Marble or gneiss
