1510 M3-1

If you were an intrepid groundhog burrowing to the center of the Earth, what is the order of the layers you would dig through?

• Mantle

  Outer Core

  Crust

  Inner Core

• Crust

  Outer Core

  Inner Core

  Mantle

• Crust

  Outer Mantle

  Inner Mantle

  Core

• Crust

  Mantle

  Outer Core

  Inner Core

What physical property is the main difference between continental and oceanic crust?

• Mineral composition

• Density

• pH

• Matter state

The most abundant element in the Earth's crust is ___.

• Iron

• Silicon

• Oxygen

• Aluminum

What are rocks composed of?

• One or more minerals

• Two or more elements

• Organic materials

• Dead dinosaurs

What is the driving force of plate tectonics?

• Dynamos in the core

• Subduction of oceanic crust

• Convection in the mantle

• Volcanic eruptions

What is most likely to occur at a transform plate boundary?

• Volcanic eruption

• Landslide

• Earthquake

• Creep

Erosion is the movement of sediments by ___.

• Wind or water

• Convection

• Mass wasting

• Tectonic plates

What type of mass wasting event involves sinking of relatively flat areas of the earth's crust?

• Erosion

• Subsidence

• Slump

• Creep

The tendency of sediments (sand, gravel, soil, etc.) to behave as a fluid during an earthquake is called ___ and generally ___.

• fluidation . . . cushions buildings against the shockwaves

• earthworm squishification . . . causes buildings to slide around

• liquifaction . . . causes buildings to sink

• solifluction . . . causes foundations to be raised to ground level

What type of rock comes from cooled, solidified magma?

• Igneous

• Metamorphic

• Sedimentary

• Limestone