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

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

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

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

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

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

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

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

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

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

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

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