Earth’s structure The structure of the earth (summer exam) Flashcards
The Earth is made up of three layers:
The c_____
I_____ core
O_____ core
The m_____
The c_____
Core, Inner, Outer, mantle, crust
The crust is made from d_________ rocks types and is a th____ part of the Earth’s structure. It is made form of huge pieces of land called tec________ plates.
Different, thin, tectonic
The mantle is made from se___-solid rock.
Semi
The core is believed to be made from ir___ and nic____
Iron, nickel
Inner core is a solid
YOU SHOULD KNOW THIS
Outer core is a liquid – this is the only liquid layer of the Earth’s structure.
YOU SHOULD KNOW THIS
How do we know this The structure of the earth?
The crust can be easily investigated by digging up rocks and minerals.
Rocks are mixtures of minerals found in the Earth’s crust.
Minerals are chemical compounds that are found in the Earth’s crust.
Just try Ig (remember)
The mantle and core cannot be easily investigated. Scientists use evidence about the way waves from earthquakes and explosions travel through the Earth to make deductions about layers that cannot be seen.
Just try Ig (remember) (understand)