Structure of the earth( lesson 4)

Describe the movement of tectonic plates at a divergent boundary.

At a divergent boundary two tectonic plates move apart.

What is a cause of volcanic eruptions?

Hotspots near a plate boundary can cause eruptions.

Why does the Earth's mantle remain in a liquid state?

The extreme temperatures and pressure cause parts of the mantle to remain in a liquid state.

Is the outer core solid or liquid?

liquid

The _____ of the upper mantle allows plates to move, and the motion shapes the continents.

liquid state

The Earth's ______ is important to the ongoing transformation of the surface.

mantle

magma

molten rock

What do scientists believe the Earth's core is made of?

mostly iron

What is molten rock?

rock that is melted.

What does plate movement do?

shape continents and are responsible for the formation of large physical features of the Earth's crust

Is the INNER core solid or liquid?

solid

What is the Earth's crust made of?

tectonic plates

convergent

to come together

collide

to come together with great force

divergent

to move apart

Plate movement is ______.

very slow