Earth Science Multiple Choice Questions, science assignment help

Question 1 (1 point)

Which of the following defines erosion?

making large rocks smaller

dissolving rock

forming new rock

transporting broken rock

Question 2 (1 point)

What is the controlling force of mass wasting?





Question 3 (1 point)

Which factor influences the type and rate of weathering?


mineral content


all of these

Question 4 (1 point)

What is the most common form of mass wasting?





Question 5 (1 point)

The form of mechanical weathering that occurs when a magma chamber starts expanding after the overlying volcano has been removed is known as what?




all of the above

Question 6 (1 point)

Which profile shape is typical of canyons and valleys that have been eroded and deepened by alpine or valley glaciers?





Question 7 (1 point)

Which description best characterizes landforms created by wind erosion?

accumulations of conglomerate-sized particles surrounded by sparse vegetation

large, elongated rows of layered material sorted by size and weight

the presence of alluvial fans and talus slopes at the base of cliffs or steep slopes and in dried lakebeds

the removal of light, fine, grained-sized material; the presence of pebble-sized and larger material; depressions in the surrounding areas; and accumulated piles of loose, sand-sized particles

Question 8 (1 point)

Which of the following defines mechanical weathering?

making large rocks smaller

dissolving rock

forming new rock

transporting broken rock

Question 9 (1 point)

What is the most important erosional agent in a desert?



human interaction


Question 10 (1 point)

Which erosional features are produced by valley/alpine glaciers?





Question 1 (1 point)

A rock that contains grains ranging in size between 4 mm and 64 mm could be called __________.

a pebble conglomerate


a sandstone

a mudstone

Question 2 (1 point)

Braided streams are also known as ____________.

high-velocity streams

young or immature streams

mountain streams

all of the above

Question 3 (1 point)

After a rainfall, or during snowmelt, the water pouring off of a mountain will form a ________.

dendritic drainage pattern

trellis drainage pattern

rectangular drainage pattern

radial drainage pattern

Question 4 (1 point)

Sublimation is the conversion of a ____________.

liquid to a gas

solid to a gas

liquid to a solid

gas to a liquid

Question 5 (1 point)

During dry conditions at the surface, water in the soil tends to ___________.

remain in place

move up

move down

move laterally/horizontally

Question 6 (1 point)

The point bar of a stream, where energy levels range between that of the channel and the floodplain, usually contains grains of which size?





Question 7 (1 point)

Rounding and sorting increases ___________.

after deposition

as the particle moves toward the source

as the particle moves away from the source

where stream velocity decreases

Question 8 (1 point)

An aquifer must have __________.

an aquitard

permeability, but no porosity

porosity, but no permeability

both porosity and permeability

Question 9 (1 point)

A pebble being pushed along the bottom of a stream is part of the ____________.

suspended load

capacity load

bed load

dissolved load

Question 10 (1 point)

Evaporation is the conversion of _____________.

a solid to a liquid

a solid to a gas

a gas to a liquid

a liquid to a gas

Question 1 (1 point)

How do evaporation, the formation of sea ice, and cold air temperatures affect the salinity of ocean water?

They produce gyres that create areas of undefined currents.

There are no changes in ocean water salinity.

The salinity decreases, making the ocean water less dense.

The salinity increases, making the ocean water denser.

Question 2 (1 point)

It is thought that submarine canyons on the continental slope were generated by which occurrence?

a submarine glaciation

streams, when the sea level was much higher than it is today

trench formation

turbidity currents

Question 3 (1 point)

A structure, usually made of cement or rock, which extends perpendicular to the shore to trap sand is known as what?



sea stack


Question 4 (1 point)

Which of the following best describes the movement of sand parallel to the shore?

created by longshore currents

created by waves approaching at an oblique angle

may create spits

all of these

Question 5 (1 point)

What causes deep water currents to surface?

displacement of warm surface waters by wind

deflection of currents against landmasses

stacking of layers of dense water

water’s ability to absorb and release solar energy slower than land

Question 6 (1 point)

Which statement BEST explains the higher high tide?

The gravitational pull of the sun and moon during the first quarter or last quarter moon aligns the troughs.

The gravitational pull of the sun and moon during a new or full moon aligns the bulges.

The gravitational force of the moon is greater than that of the sun; so when the moon is 90° to the Earth, there are higher high tides.

Tides forced into a restricted shoreline create higher high tides.

Question 7 (1 point)

Which statement best describes seamounts?

They are a special type of oceanic trench.

They are submarine canyons found near Australia.

They are volcanoes that form on the ocean floor.

They form only in the Pacific Ocean basin.

Question 8 (1 point)

Which statement is NOT true of deep-ocean trenches?

They are geologically very stable.

They are long and narrow depressions.

They are sites where plates plunge back into the mantle.

They may act as sediment traps.

Question 9 (1 point)

Which of the following is NOT associated with turbidity currents?

density currents

deposits of graded beds

excavation of submarine canyons

formation of seamounts

Question 10 (1 point)

A sand ridge connecting an island to the mainland or to another island is called what?



sea stack


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