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

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

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

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

A) The earth's crust is made of metal.
B) People have dug to the center of the earth.
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) magma forcing the earth's crust into a dome
D) a place underground breaking away from another plate

A) build up a wall of mud sliding into a building
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) shoot up like flames from a fire

A) all of them
B) most of them
C) a few 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) wind will shape huge ridges
D) India continues to push northward

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

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