Ch. 1 Sec. 3 - Forces Shaping the Earth

plant roots, such as trees, help stabilize stream embankments and help prevent excessive erosion

• true

• false

earthquakes occur when a tectonic plate rises and falls rapidly like a trampoline

• true

• false

plant roots and vegetation growth can lead to weathering of the earth's surface

• true

• false

uppermost/outermost layer of the earth; relatively thin

• mantle

• outer core

• inner core

• crust

How many layers does the earth have?

• 1

• 2

• 3

• 4

At one time, all of the continents were connected as one giant landmass known as _____.

• Burmuda

• Patagonia

• Mongolia

• Pangea

What is a giant, slow-moving sheet of ice responsible for carving out parts of the earth

• boulder

• iceberg

• glacier

• ice-wave

when built-up tension/friction (pressure) between tectonic plates causes a sudden movement in the earth’s crust

• subduction

• fault

• volcanoe

• earthquake

a theory that the earth’s crust is not an unbroken shell, but consist of plates, or slabs of rock that move

• shell breaking theory

• plate tectonics

• erosion

• landmass shift theory

a natural process that breaks surface rock into boulders, gravel, sand, soil, etc.

• erosion

• glacier movement

• weathering

• plate tectonics