Geography Flashcards
Name the three types of rocks
Sedimentary
Igneous
Metamorphic
Give examples of sedimentary rocks
Chalk
Sandstone
Give examples of igneous rocks
Granite
Basalt
Give examples of metamorphic rocks
Schist
Slate
What are sedimentary rocks?
Rocks formed in layers called beds
What do sedimentary rocks often contain?
Fossils
What are igneous rocks?
Hard rocks, formed of crystals that are usually impermeable
What does impermeable mean?
Water doesn’t pass through them
What are igneous rocks made of?
Crystals
What forms basalt?
Lava cooling
What type of rock is the north uk?
Mainly igneous and metamorphic
What type of rock is the south uk?
Mainly softer sedimentary rocks
State the three types of weathering
Chemical
Physical
Biological
What is chemical weathering?
The breakdown of rocks through slightly acidic water
What is biological weather?
The breakdown of rocks through actions of plants and animals