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

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

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

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

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

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

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

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

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

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

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

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