2/1 Warm Up

Which of the following processes changes a sedimentary rock into an igneous rock?

• weathering and erosion‎

• heat and pressure‎

• melting and cooling‎

Which layer of the earth is the thickest?

• inner core

• outer core

• mantle

• crust

Which layer of the earth is believed to be made of solid metal and is as hot as the surface of our sun?

• inner core

• outer core

• mantle

• crust

The Earth's crust is mostly _________________.

• continental crust

• oceanic crust

Which type of plate boundary causes the formation of mountains?

• convergent

• divergent

• subduction

• transform

Which plate boundary type creates new crust on the seafloor?

• transform

• convergent

• divergent

• subduction