Transcript 8th Grade Spring Benchmark

Earth Science Review
And just a little bit
of physics…
Question 1
What feature is likely to occur between the South
American Plate and the African Plate?
A. Mountain
B. Trench
C. Subduction zone
D. Mid-ocean ridge
Question 2
What is the net force of the object shown in the
diagram? (8.6A)
A. 30 N to the right
B. 50 N to the right
C. 30 N to the left
D. 50 N to the left
Question 3
Which hill is steeper
and therefore harder
to climb?
A.
B.
C.
D.
Able hill because the peak is 40 meters
Able hill because the contour lines are further apart
Baker hill because the peak is 50 meters
Baker hill because the contour lines are closer together
Question 4
Which of the following is true about
acceleration?
A.
B.
C.
D.
Acceleration is speed in a given direction.
Acceleration is a change in either speed or direction.
Acceleration is distance travelled in a given amount of time.
all of the above
Question 6
Newton’s Second law is known as:
force is equal to the mass of an object multiplied by its acceleration.
Which of these scenarios is best explained by this law?
A.
B.
C.
D.
A rocket that is propelled upward with equal force as the gases
pushing downward on the earth
Stopping a roller coaster cart suddenly can cause the passengers
to be thrust forward into their seatbelts
A TV was easier to move than a refrigerator because it had a
smaller mass
All of the above
Question 7
The continental and oceanic plates move
because of:
A.
B.
C.
D.
The rotation of the earth
Convection currents in the earth’s crust
Convection currents in the earth’s mantle
Convection currents in the oceans
Question 8
The Mid Ocean Ridge is an underwater mountain range that
forms from cooled magma coming up through the cracks in
the sea floor and settling. Which type of plate boundary
would be found at the Mid Ocean Ridge?
A.
B.
C.
D.
Convergent Boundary
Transform Boundary
Divergent Boundary
Shearing Boundary
Question 9
Which of the following occurs as a result of
convection within the ocean?
A.
B.
C.
D.
Ocean currents
Winds
Waves
Tsunamis
Question 10
A frog leaps from its resting position onto a lily pad. If the frog
has a mass of 0.5 kg and the acceleration of the leap is 3
m/s2, what is the force the frog exerts on the lake’s bank
when leaping?
A.
B.
C.
D.
0.2 N
0.8 N
1.5 N
15 N
Question 11
The ocean plays an important role in the formation of storm
systems such as hurricanes because:
A.
B.
C.
D.
The wide, open area allows strong winds to develop
Warm, tropical waters provide the energy that drives the
storm
Cold, high pressure systems in the Atlantic allow the storms
to build
High tides push the water higher on the beaches
Question 12
In the picture to the
right, one plate is sliding
beneath another.
Which of the following
statements is correct?
A.
B.
C.
D.
A
Plate A is made of denser continental crust and is being subducted
Plate A is made of denser oceanic crust and is being subducted
Plate B is made of denser oceanic crust and is being subducted
Plate B is made of denser continental crust and is being subducted
B
Question 13
Bobby lifts a box into a moving truck straight off the ground. He
hurt his back doing this, so the next day he lifts the same
box into the truck using a ramp. In which situation was
more work done on the box?
A.
B.
C.
D.
Lifting the box straight up
Using the ramp
Work was the same in both situations
No work was done in either situation
Question 14
William rode his bicycle 100 meters south in 20 seconds, and
then went east another 100 meters in 10 seconds. Which
of the terms below can best be used to describe these
changes? (6B)
I.
Speed
II.
Velocity
III.
Acceleration
A. I
B. I & II
C. II & III
D. I, II & III
Question 15
According to the scientific definition of work, which of
these best shows that work is being done?
A. a girl carrying a backpack
B. a man pushing against a concrete wall
C. a car being towed down a street
D. a rocket drifting through space
Question 16
When air moves from an area of high pressure to an area of low
pressure, it causes:
A.
B.
C.
D.
An increase in temperature
A decrease in temperature
The wind to blow
Cool and dry weather
Question 17
At which position is the
cart gaining potential
energy and losing
Kinetic energy?
A. W
B. X
C. Y
D. Z
Question 18
In which of the following situations would the forces be
unbalanced?
A.
B.
C.
D.
Two children pull on a cart in opposite directions, but the
cart does not move.
A cart lies upside down at the bottom of a hill.
A cart rolls down a hill and stops.
A child pushes a cart at a constant speed along a straight
path.
Question 19
What force is at work along a transform
boundary?
A.
B.
C.
D.
Shearing
Compression
Tension
Stretching
Question 20
What is happening in this distance vs time graph?
A. The object moves at a constant speed
B. The object moves one direction and
then speeds up in the opposite direction.
C. The object moves in one direction, remains
at rest, and then moves in the opposite direction
D. The object has no acceleration
Question 21
Name at least 4 types of evidence that Alfred Wegener
gathered as proof that the continents were all once
connected.
Question 22
There is a low pressure
system over Florida. They
are experiencing:
A.
B.
C.
D.
Clouds with precipitation
Clear skies
Cooler weather
Dry and hot weather
Question 23
A child jumps on a trampoline. Which of the following
causes the child to rise in the air?
A. Inertia
B. Mass
C. A gravitational force
D. A reaction force
Question 24
In science class, Maria pushes straight down on a spring, compressing
it, as shown below. When Maria removes her hand, the spring
returns to its original length. Is Maria doing work on the spring?
A.
B.
C.
D.
Yes, because the spring moved down as she pushed down.
Yes, because the spring is exerting a force on Maria’s hand.
No, because the spring returned to its original length.
No, because work is not done when the motion is downward.
Question 25
Which lab cart has balanced forces
acting upon it that results
in no movement? (8.6A)
Question 26
Name two plates that have stretching forces at their
boundaries.
Question 27
There is a high
pressure system
over Nashville. They
are experiencing:
A.
B.
C.
D.
Thunderstorms
Cool and dry weather
Cloudy weather
Light drizzle and fog
Question 28
Using the map above, describe the change in weather that you would experience
while driving from Utica to Buffalo. (8.10B)
A. It would change to sunny and cooler temperatures as you go toward
Buffalo
B. It would change to thunderstorms and cooler temperatures as you go
toward Buffalo
C. It would change to drizzle and warmer temperatures as you go toward
Buffalo
D. It would change to sunny and warmer temperatures as you go toward
Buffalo
Question 29
At which point along the baseball’s flight path is
its potential energy greatest?
A. 1
B. 2
C. 3
D. 4
Question 30
A rocket moves because the exhaust gases exert a force
in one direction against the ground, and the
ground exerts ….. (6C)
A.
B.
C.
D.
a greater force against the rocket in the opposite direction.
a greater force against the rocket in the same direction.
an equal force against the rocket in the opposite direction.
an equal force against the rocket in the same direction.
Question 31
Mountains form when two continental plates push
towards each other. The force associated with this is:
A. Tension
B. Compression
C. Stretching
D. Shearing
Question 32
Newton’s laws of motion apply to everyday life in a variety of ways. Which
one of the following statements does not demonstrate Newton’s laws of
motion as they relate to plate tectonics?
A. Plates of the Earth resist change as in Newton’s law of inertia.
B. The greater the force of the plate, the greater rate of the plate’s
acceleration as in Newton’s law of acceleration.
C. Volcanoes form from cooled magma as in Newton’s law of acceleration.
D. Plates of the Earth exert a force on each other in opposite directions as in
Newton’s law of action-reaction.
Question 33
According to the map below, which city will soon experience
thunderstorms? (8.10B)
A. In Seattle, because a cold front has moved through
B. In Chicago, because a cold front is approaching
C. In Boston, because a cold front is to the west of the city
D. In San Diego, because it is on the edge of a warm front
Question 34
What land feature is
represented at Location A?
A. Mountain
B. Plateau
C. Valley
D. Delta
Question 35
What is the correct statement about the object
represented by the graph?
A.
B.
C.
D.
The object is speeding up.
The object is slowing down.
The object is moving at a constant speed.
The object is changing direction.
Question 36
When would you experience thunderstorms and
cooler weather? (8.10B)
A.
B.
C.
D.
Area of high pressure with a cold front
Area of high pressure with a warm front
Area of low pressure with a cold front
Area of low pressure with a warm front
Question 37
Rivers will form at the bottom of a canyon because:
A. Erosion breaks down the rocks and weathering carries them
away
B. Deposition breaks down rock and erosion carries them away
C. Weathering breaks down rock and deposition carries them away
D. Weathering breaks down rock and erosion carries away
Question 38
A train traveling south at 80 miles per hour is an
example of:
A.
B.
C.
D.
Speed
Velocity
Acceleration
Friction
Question 39
A car traveling at 90 mph hits a brick wall. The person inside the car
was not wearing a seat belt. The person will continue to move
even though the car has stopped. This is best explained by:
A.
B.
C.
D.
Action-Reaction
Gravity
Friction
Inertia
Question 40
What is happening to the oceanic
crust in the diagram to the right?
A.
B.
C.
D.
it is forming new sea floor
it is being subducted
it is colliding with oceanic crust
it is experiencing tension forces