A) bumps
B) plates
C) faults
D) humps

A) 9 degrees F
B) 9,000 degrees F
C) 90 degrees F
D) 900 degrees F

A) mantle
B) inner core
C) outer core
D) plate

A) a jigsaw puzzle
B) the back of an elephant
C) an exploding bomb
D) gooey oatmeal

A) People have dug to the center of the earth.
B) The earth's crust is made of metal.
C) The earth's plates have drifted apart.
D) There are no mountains under the ocean.

A) a place underground breaking away from another plate
B) outer layers of the earth pressing down on the inner core
C) a huge wave traveling miles through the ocean
D) magma forcing the earth's crust into a dome

A) shoot up like flames from a fire
B) build up a wall of mud sliding into a building
C) go around in circles like a ball at the end of a string
D) work outward like ripples from a stone thrown in a lake

A) a few of them
B) all of them
C) none of them
D) most of them

A) dome
B) block
C) ridge
D) fold

A) India continues to push northward
B) wind will shape huge ridges
C) it sits on cracks in a plate
D) magma will bulge up under the crust and cause a bump

A) sandpaper
B) a blizzard
C) a flood
D) an explosion

A) to warn people about dangerous places to live
B) to explain what is happening to the earth
C) to scare people
D) to explain weather