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Lembar kerjaMotion Quiz
Total soal: 40
Worksheet time: 3hrs 20mins
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Kelas
Tanggal
1.
Motion is the movement of an object or its change in
a)
Direction
b)
Speed
c)
Position
d)
Shape
2.
Velocity is
a)
speed
b)
direction
c)
speed with a direction
d)
your nickname
3.
The amount of matter in an object
a)
weight
b)
force
c)
gravity
d)
mass
4.
A distance vs. time graph shows an object's. (Think...what can you solve for with those two variables?)
a)
frame of reference
b)
speed
c)
acceleration
d)
favorite food
5.
On a distance vs. time graph, the steeper the slope _____
a)
the slower the speed
b)
the faster the speed
c)
less acceleration
d)
greater acceleration
6.
The graph shows Ashley riding her bike to Maria's house.
What was occurring from point B to point C?
What was occurring from point B to point C?
a)
She was increasing her speed.
b)
She stopped for 4 minutes
c)
She was decreasing in speed
d)
Her displacement was 4.
7.
The graph shows Ashley riding her bike to Maria's house.
What is occurring from point A to point B?
What is occurring from point A to point B?
a)
they are traveling at a constant speed
b)
they are decreasing in speed
c)
they stopped to take a break
8.
FLASHBACK: If your mass on Earth is 900g, what would your mass be on the Moon?
a)
900g
b)
150g
c)
5400g
d)
0g
9.
Your weight on Earth would be different than your weight on Mars.
a)
True
b)
False
c)
No, because gravity is minimal on mars.
d)
Pluto is Mickey's dog.
10.
What does this graph represent? Look at the units and axis labels.
a)
Constant speed
b)
Acceleration
c)
Not moving
11.
A graph describing the way an object's speed changes over time.
a)
Speed vs. Time Graph
b)
Position (Distance) vs. Time Graph
c)
Height vs. Velocity Graph
d)
Monkey's vs. 8th Graders
12.
A graph describing the way an object's position changes over time.
a)
Speed vs. Time Graph
b)
Position (Distance) vs. Time Graph
c)
Mass vs. Velocity Graph
d)
Time vs. Inertia Graph
13.
The change in an objects speed (speeding up or slowing down).
a)
Velocity
b)
Speed
c)
Acceleration
d)
Inertia
14.
An object in motion stays in motion. An object at rest stays at rest. This is the definition of
a)
Acceleration
b)
Inertia
c)
Reaction
15.
A force that results from two objects sliding past each other.
a)
Gravity
b)
Friction
c)
Inertia
d)
Force
16.
During a science experiment, Marcia dropped a metal ball from a height of 150 m. The graph shows the distance the metal ball traveled from its initial position to where it hit the ground.
What information does the graph give you about the speed of the metal ball over time?
What information does the graph give you about the speed of the metal ball over time?
a)
The ball travels at a constant speed
b)
The speed increases as time increases
c)
The speed decreases as time increases
d)
The speed increases at first, and then decreases as time increases
17.
An athlete is running a 5-km race at an average speed of 8 km/h. She has to stop and tie her shoe. After tying her shoe she continues running at 8 km/h. Why would her average speed for the entire race be less than 8 km/h?
a)
The total distance she traveled increased
b)
The total distance she traveled decreased
c)
The total time she took to complete the race increased
d)
The total time she took to complete the race decreased
18.
Marcia went on a day cruise along the Florida coast. The graph shows the distance the boat traveled each hour.Which statement explains why the graph cannot be used to determine the boat’s average velocity?
a)
The speed of the boat is not constant.
b)
The direction of the boat is not given
c)
The boat was stationary for one hour
d)
The boat’s average speed is unknown
19.
Hannah and Alex rolled four different objects down a ramp. They measured the distance each object rolled and the time until each object came to a stop. They plotted each point and connected it with a line from origin of the graph. Which of the objects had the greatest average speed?
a)
object A
b)
object B
c)
object C
d)
object D
20.
The graph shows how a train traveled during four segments of a trip. In using the graph to determine during which segment the train was traveling fastest, which of the following should be compared?
a)
slope of the line
b)
time that has passed
c)
distance covered
d)
total number of hours
21.
Daisy is on the school diving team. She drew the diagram below to show the path she takes when she dives.When Daisy is at the highest point, she is 12 m above the pool. Which of the following does this statement describe?
a)
motion
b)
path
c)
position
d)
speed
22.
An elevator traveled 15 floors (150 ft) at a speed of 4.5 m/s. What additional information is needed to determine the velocity of the elevator?
a)
the direction the elevator traveled
b)
how long the elevator was stationary
c)
how many times the elevator stopped
d)
the total distance the elevator traveled
23.
Alex is observing a car race. As a car turns a corner, it is traveling at 80 km/hr. As the car crosses the finish line, it is traveling at 140 km/hr. Which term describes these measures?
a)
speed
b)
velocity
c)
average speed
d)
average velocity
24.
Acceleration only takes place when things speed up.
a)
True
b)
False
25.
Acceleration is defined as the CHANGE in (direction and speed... which is what???!!!!)
a)
time of motion to another place.
b)
velocity
c)
distance
d)
speed
26.
Changes in our speed, direction or both are called _________.
a)
gravity
b)
changes
c)
acceleration
d)
deceleration
27.
When are you undergoing an acceleration in a car?
a)
speed up
b)
slow down
c)
make turns
d)
All of the above
28.
Why does a car accelerate as it rounds a corner at a constant speed?
a)
Its direction changes
b)
It doesn't
c)
It slows down
d)
Its speeds up
29.
Determine the motion of the car.
a)
at rest
b)
constant velocity
c)
speeding up
d)
slowing down
30.
Determine the motion of the car.
a)
at rest
b)
moving at constant speed
c)
speeding up
d)
slowing down
31.
A car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?
a)
0.7m/s2
b)
7m/s2
c)
14m/s2
d)
none of the above
32.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
33.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
34.
The SI unit for acceleration is
a)
mph
b)
ft/sec2
c)
m/s2
35.
Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?
a)
10
b)
7
c)
8
d)
6
36.
Distance and direction of an object's change in position from a starting point
a)
displacement
b)
distance
c)
motion
d)
reference point
37.
1. Amy runs 2 miles south, then turns around and runs 3 miles north. What is displacement?
a)
5 miles
b)
1 miles
c)
2 miles
d)
3 miles
38.
Ray runs 30 feet north, 30 feet west, and then 30 feet south. What is the distance?
a)
90 feet
b)
30 feet
c)
60 feet
d)
0 feet
39.
"5 meters south" is an example of displacement
a)
True
b)
False
40.
A person walks 50 meters directly north, stops, and then travels 32 meters directly south. What is their displacement?
a)
82 meters
b)
18 meters
c)
28 meters
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