Final Review

The Earth system has five parts: hydrosphere, geosphere, and what other three?

• biosphere, cryosphere, atmosphere

• biosphere, cryosphere, crust

• mantle, crust, core

• biosphere, atmosphere, oceansphere

What is NOT an agent of physical weathering?

• animal action

• water

• oxygen

• temperature change

Abraded rocks, desert pavements and dunes all coome from the effect of ______.

• gravity

• wind

• sedimentary rock

• chemical weathering

Which gravity effect is the slowest?

• rockfall

• creep

• landslide

• mudflow

Which of the following does NOT help with the formation of soil?

• decomposers break down dead organisms

• waste

• weathering of parent rock

• mixing by living things

Organisms become fossils by being preserved in amber and asphalt, buried in rock, _____________, and ___________.

• frozen and molded

• frozen and decomposed

• frozen and petrified

• decomposed and molded

The parts of the Earth in the correct order from outer layer to inner part are:

• mantle, crust, lithosphere, asthenosphere, mesosphere, inner core, outer core

• lithosphere, crust, mesosphere, asthenosphere, inner core, outer core

• inner core, outer core, asthenosphere, mesosphere, lithosphere, crust

• lithosphere, asthenosphere, mesosphere, outer core, inner core

What are the mechanisms that have been proposed to explain the movement of Earth's tectonic plates?

• mantle convection and continental drift

• mantle convection, ridge push, slab pull

• slab pull and sea-floor spreading

• sea-floor spreading and continental drift

A plate boundary is a place where two tectonic plates meet. Which statement below shows the correct definition of a tectonic plate boundary?

• At a divergent boundary, plates separate.

• At a transform boundary, plates move apart.

• At a convergent boundary, plates slide past each other.

• At a divergent boundary, one plate sinks under another plate.

Over long periods of time, tectonic forces can cause rocks to fold. What kind of stress causes folding?

• compression

• tension

• shear stress

• normal