Quiz Questions
Near a high-pressure weather system (also called an anticyclone), clouds are unlikely to form. Why is this?
air flows downward and outward from a high
the upper mantle can be divided into two zones, the
asthenosphere in the lower upper mantle and part of the lithosphere in the upper part of the upper mantle
The ocean current called the Gulf Stream
carries heat from the Gulf of Mexico to the North American coast and Northern Europe.
Divergent boundaries are areas of
crustal formation
igneous rock is formed from
crystallization of magma, high temps and pressures acting on subsurface rock, lava that freezes on earth's surface
A depositional landform that is produced where a stream meets the sea is a
delta
What kind of erosion produces sinkholes?
groundwater erosion
The troposphere is warmed mostly by
long wave radiation
Alfred Wegener supported his theory of continental drift by
making a connection between the rocks, rock structures, and plant and animal fossils found in both Africa and South America
Color is not a reliable means for mineral identification because
minerals can weather and change color
the two most common igneous rocks are basalt and granite. Basalt is commonly found ____ and granite is found ____
on both the ocean floor and continental land; only on the continents
Wind is due to
pressure and temperature differences in the atmosphere
The layered appearance of foliated metamorphic rocks is due to the
realignment of minerals so that they are perpendicular to comprehensive forces
The erosion of wind is most like the action of
sandpaper
Based on its abundance in Earth's crust, most rocks contain a mineral composed of the elements oxygen and
silicon
What is the lowest level that sediment from a mountain can be transported to?
the bottom of the sea
Temperatures in Earth's atmospheric layers vary in a zig zag pattern with altitude principally because
the chemical composition of the atmosphere varies
The theory of plate tectonics states that
the lithosphere is broken up into several plates that move about as a result of convective motion in the asthenosphere.
Velocity of seismic waves depends on
the type of material is travels through
What is ozone?
A gas consisting of molecules containing three oxygen atoms, a gas that resides in the stratosphere, a gas that blocks uv radiation from reaching earth
How is the atmosphere like a florist's greenhouse?
Both trap long-wave electromagnetic radiation
A mineral that is not a silicate is
Calcite
The theory of seafloor spreading is supported by
Paleomagnetic analysis of the ocean's floor
Some ________ rock is formed from minerals that were once dissolved in water.
Sedimentary
As glaciers and streams move they carry loads of sediment with them... but where is the sediment ultimately going to?
The shore
