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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
water in soil and water in plants
B
atmospheric vapor and cloud droplets
C
liquid oceans and solid glaciers
D
freshwater rivers and saltwater oceans
2) What type of landform is most likely formed by a divergent tectonic plate boundary?
A
rift zone
B
island arc
C
folded mountains
D
oceanic trench
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
mountains
B
dunes
C
deltas
D
islands
4) Crustal plates that pull apart from one another most likely form
A
strike-slip faults.
B
rift zones.
C
oceanic trenches.
D
volcanic island arcs.
5) Mountains are most likely formed
A
when glaciers melt.
B
along tectonic plates.
C
from earthquakes.
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
igneous intrusions
B
normal faulting
C
convection currents
D
seafloor spreading
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
sunspots
B
wave patterns
C
earthquakes
D
cloud formations
8) Which event most likely takes place as the result of crustal movement along transform boundaries?
A
volcanic activity
B
trenches
C
mountain building
D
earthquakes
9) In what section of Earth do earthquakes happen?
A
outer core
B
crust
C
mantle
D
inner core
10) The islands in the mid-Pacific Ocean region were formed from
A
deposion from currents.
B
land subsidence.
C
wind and water erosion.
D
volcanic activity.
11) The theory of plate tectonics provides the current explanation for the way in which
A
tides are produced.
B
continents move.
C
stars change.
D
rocks are formed.
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
subduction
C
plate tectonics
D
converging boundaries
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 restore the area to a natural condition.
C
to provide an environment for new coal formation.
D
to prevent radioactive elements from polluting water sources.
14) Soil erosion can be best prevented by
A
building terraces into the sides of a slope.
B
increasing the slope of the land by adding more soil.
C
removing grass from the steepest slope.
D
heavily watering the vegetation on the 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 spread out and hold the topsoil in place.
B
The grass provides shade so the soil stays cool.
C
The grass attracts insects that enrich the soil by laying eggs.
D
The roots of the grass protect the soil from the effects of acid rain.
16) Of the choices listed, what is the best way to conserve water in a home?
A
run a half full dishwasher
B
turn off the water while brushing your teeth
C
take long showers
D
let the water run while washing the dishes
17) What is the main source of energy that drives all weather patterns?
A
oceans
B
the Sun
C
mountains
D
the Moon
18) What is the main source of energy for the water cycle?
A
clouds
B
fossil fuels
C
the ocean
D
the Sun
19) Using solar panels to convert solar energy into electricity may help slow the depletion of which resource?
A
copper
B
water
C
coal
D
sunlight
20) Turning off the light when leaving a room is an example of
A
using potential energy.
B
using chemical energy.
C
conserving energy.
D
wasting energy.
*select an answer for all questions
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