Stemscopes reading for Information

When Earth formed billions of years ago, it was __________.

Outermost layer

• crust

• mantle

• outer core

• inner core

Layer made of magma

• crust

• mantle

• outer core

• inner core

Layer that is a solid made of iron and nickel

• crust

• mantle

• outer core

• inner core

Layer made of hot liquid metals (iron and nickel)

• crust

• mantle

• outer core

• inner core

The medium-density silicated floated up to form the ________.

The heaviest elements, iron and nickel, sank to the center of the Earth to form the inner and outer_______.

The heaviest elements, iron and nickel, sank to the center of the Earth to form the inner and outer_______.

Constructive forces build up land.

• True

• False

Destructive forces build up land.

• True

• False