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Science 2nd Nine Weeks Review
Test Description: Review for 2 nine weeks
Instructions: Answer all questions to get your test result.
1) The temperature at which water freezes enables water to exist in which two forms on Earth?
A
freshwater rivers and saltwater oceans
B
liquid oceans and solid glaciers
C
atmospheric vapor and cloud droplets
D
water in soil and water in plants
2) What type of landform is most likely formed by a divergent tectonic plate boundary?
A
folded mountains
B
oceanic trench
C
rift zone
D
island arc
3) A reverse fault occurs when one side of a fault plane is driven up over the other side. Reverse faults can cause which of these landforms?
A
islands
B
dunes
C
deltas
D
mountains
4) Crustal plates that pull apart from one another most likely form
A
volcanic island arcs.
B
oceanic trenches.
C
rift zones.
D
strike-slip faults.
5) Mountains are most likely formed
A
when glaciers melt.
B
from earthquakes.
C
along tectonic plates.
D
when land sinks.
6) The surface of Earth is composed of large tectonic plates that are constantly shifting as they float on top of molten rock. Which process must occur in the mantle to make the plates move?
A
seafloor spreading
B
normal faulting
C
igneous intrusions
D
convection currents
7) In 1785, James Hutton, stated that evidence of past occurrences can be used to explain events which happen today. Which could most likely be used to explain an event in the geologic past?
A
wave patterns
B
cloud formations
C
sunspots
D
earthquakes
8) Which event most likely takes place as the result of crustal movement along transform boundaries?
A
earthquakes
B
mountain building
C
volcanic activity
D
trenches
9) In what section of Earth do earthquakes happen?
A
crust
B
outer core
C
mantle
D
inner core
10) The islands in the mid-Pacific Ocean region were formed from
A
land subsidence.
B
deposion from currents.
C
volcanic activity.
D
wind and water erosion.
11) The theory of plate tectonics provides the current explanation for the way in which
A
rocks are formed.
B
continents move.
C
stars change.
D
tides are produced.
12) Which is the best explanation why the remains of a small reptile living millions of years ago have been found only in Brazil and South Africa?
A
mass extinction
B
converging boundaries
C
plate tectonics
D
subduction
13) Before strip mining for coal, the topsoil in the area is removed and stored. After mining operations are completed, the land is leveled and topsoil is replaced. The purpose of replacing topsoil is
A
to prevent wind from weathering and eroding surface coal.
B
to prevent radioactive elements from polluting water sources.
C
to restore the area to a natural condition.
D
to provide an environment for new coal formation.
14) Soil erosion can be best prevented by
A
increasing the slope of the land by adding more soil.
B
removing grass from the steepest slope.
C
heavily watering the vegetation on the slope.
D
building terraces into the sides of a slope.
15) Landscapers frequently plant grass on steep hills in the yards of new housing developments. Which statement best explains how grass can help conserve the soil?
A
The roots of the grass protect the soil from the effects of acid rain.
B
The grass attracts insects that enrich the soil by laying eggs.
C
The grass provides shade so the soil stays cool.
D
The roots of the grass spread out and hold the topsoil in place.
16) Of the choices listed, what is the best way to conserve water in a home?
A
run a half full dishwasher
B
let the water run while washing the dishes
C
take long showers
D
turn off the water while brushing your teeth
17) What is the main source of energy that drives all weather patterns?
A
mountains
B
the Sun
C
oceans
D
the Moon
18) What is the main source of energy for the water cycle?
A
fossil fuels
B
the Sun
C
the ocean
D
clouds
19) Using solar panels to convert solar energy into electricity may help slow the depletion of which resource?
A
coal
B
sunlight
C
water
D
copper
20) Turning off the light when leaving a room is an example of
A
wasting energy.
B
using potential energy.
C
conserving energy.
D
using chemical energy.
*select an answer for all questions
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