Earth And Atmosphere Flashcards
1
Q
What is the earths crust made out of?
A
Rock
2
Q
Why is the earths crust important?
A
It’s the source of minerals
3
Q
What are the sections of the crust called?
A
Tectonic plates
4
Q
How do the plates move?
A
Slowly
5
Q
What is there at the plate boundaries?
A
Volcanoes
Earthquakes
Mountains
6
Q
How do convections currents work?
A
Radioactive core releases heat
Hot mantle rises
Cooler mantle sinks
Plates carried by mantle