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

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

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

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

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

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

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

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

A) an explosion
B) sandpaper
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