earths changes

The crust is the___ layer

The earth is made up of

• air

• solid earth

• water

• organisms

• all of the above

The inner core is the_____ layer?

As you move deeper under earth what things increase

The crust and mantle are made mostly of what?

• rocks

• minerals

• iron

• nickel

the outer core and inner core are made up of what?

• iron

• melted zinc

• rocks

• nickel

Earth's _______ ______ cause materials to move

We see evidence of earth's constant changing in...

• the rock cycle

• fossils

• plate tectonics

• weathering and erosion

• all of the above

the mantle is the____ layer

The outer core is the____layer