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

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

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

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

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

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

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

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

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

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

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

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