Formation of Earth Quiz

density

A measure of how tightly packed the particles in a substance is

When Earth was forming, gravity drew denser elements to the of the Earth

center

___ is the rigid outer part of the Earth, consisting of the crust and upper mantle

Lithosphere

The layer is made of liquid iron and nickel

outer core

is the upper layer of the Earth's mantle. In which there is relatively low resistance to plastic flow and convection is thought to occur

Asthenosphere

Earth and other planets formed about _ years ago

4.6 billion

Magma is heated at the _ of the layer

bottom

is the second layer of the Earth

mantle

___ crust is not thicker but is more dense then the continental crust

oceanic

is the transfer of thermal energy through fluids like liquids and gases

convection