Dynamic Earth Flashcards
What is a melting point?
The temperature at which a solid changes into a liquid.
What is a boiling point?
The temperature at which a liquid changes into a gas.
What are the 4 main causes of erosion?
Wind, Gravity, Glaciers, Water
What is the outer layer of the Earth called?
Crust
What is the centre of the Earth called?
Inner Core
Which is the thickest layer of the Earth?
Mantle
What are the 2 types of seismic waves?
S and P
Which wave is fastest?
P
Which wave can only travel through solids?
S
Is sandstone an example of sedimentary rock?
Yes
Are igneous rocks shiny?
Yes
What are the 3 types of weathering?
Physical, Biological, Chemical
What weathering is acidic rainwater wearing away at rocks?
Chemical
What weathering is animals burrowing into the ground?
Biological
Is physical weathering caused by living organisms?
No