Sci 6 Final

What is a break or crack along which rocks move?

• fold

• fault

• current

• plate

Which includes oceans, lakes, rivers, and frozen water?

• ecosphere

• atmosphere

• hydrosphere

• lithosphere

Which is a bend in a rock?

• fault

• fold

• trench

• rift valley

Which was the giant continent from the past that has since broken up and drifted apart?

• Eurasia

• Pangaea

• Americas

• Laurasia

Which are the three main layers of the Earth?

• Core

• Moho

• Mantle

• Crust

Which is the top most part of the Earth's surface, made of rock, sand and soil?

• lithosphere

• asthenosphere

• mesosphere

• hydrosphere

Which layer of the Earth is made of iron, which gives the Earth its magnetic property?

• mantle

• core

• crust

• asthenosphere

Which separates the crust from the upper mantle?

• Moho

• Gutenberg Discontinuity

• ozone layer

• midocean ridge

Which area has crust that is thinner than the crust under the continents?

• pond

• ozone layer

• ocean

• hills

Where does seafloor spreading occur?

• along mid-ocean ridges

• along the coastline

• along the coral reefs

• along trenches