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Midterm Review

Total questions: 77

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

You arrive in my class 35 seconds after leaving english which is 80 meters away. How fast did you travel?

a)

45 m/s

b)

2.3 m/s

c)

115 m/s

d)

35 m/s

2.

Define velocity.

a)

A point of measurement for motion.

b)

Rate of motion measured in distance over a period of time.

c)

Rate of motion measure in total distance over total time in a specific direction.

d)

A change in velocity over a certain amount of time. Can be positive or negative.

3.

Define speed.

a)

A change in position relative to a frame of reference.

b)

A change in velocity over a certain amount of time. Can be positive or negative.

c)

Rate of motion measure in total distance over total time in a specific direction.

d)

Rate of motion measured in distance over a period of time.

4.

Define reference point.

a)

A point of measurement for motion.

b)

Quantities that are fully described by a magnitude alone.

c)

A change in velocity over a certain amount of time. Can be positive or negative.

d)

A change in position relative to a frame of reference.

5.

Define acceleration.

a)

Rate of motion measure in total distance over total time in a specific direction.

b)

A change in velocity over a certain amount of time. Can be positive or negative.

c)

Quantities that are fully described by both a magnitude and a direction.

d)

Quantities that are fully described by a magnitude alone.

6.

Define motion.

a)

Rate of motion measured in distance over a period of time.

b)

A change in velocity over a certain amount of time. Can be positive or negative.

c)

A change in position relative to a frame of reference.

d)

Quantities that are fully described by both a magnitude and a direction.

7.

David walks 5 km north, and then turns south and walks 6 km.

a)

Distance: 11 km

Displacement: 1 km

b)

Distance: 1 km

Displacement: 11 km

c)

Distance: 30 km

Displacement: 1 km

d)

Distance: 1 km

Displacement: 30 km

8.

What distance has the car traveled in 10 s?

a)

0m

b)

8m

c)

50m

d)

100m

9.

A car is traveling at a constant speed of 12 m/s. When the driver accelerates, the car reaches a speed of 26 m/s in 6 s. What is the average acceleration of the car?

a)

2 m/s/s

b)

4.3 m/s/s

c)

84 m/s/s

d)

2.3 m/s/s

10.

What is the average acceleration of the object during the first 4 seconds?

a)

1 m/s2

b)

2 m/s2

c)

4 m/s2

d)

8 m/s2

11.

Which runner finished LAST in the race?

a)

Albert

b)

Bob

c)

Charlie

12.

If you shout into the Grand Canyon, your voice travels at the speed of sound (340 m/s) to the bottom of the canyon. How deep is the Grand Canyon at a spot where someone at the bottom can hear your voice 6.5 seconds after you shout?

a)

2210 m

b)

340 m

c)

52 m

d)

346.5 m

13.

A bug moves down the hall at 1.3 m/s. When he sees the janitor coming down the hall, he begins to run. After 4.2 s, he is moving at 3.6 m/s. What is his acceleration?

a)

-0.55 m/s2

b)

0.55 m/s2

c)

1.2 m/s2

d)

4.2 m/s2

14.
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
15.
 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?
a)
800
b)
400
c)
0
d)
200
16.
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
17.
The speed of light (c) =
a)
3 x 108 miles/hour
b)
3 x 108 meters/second
c)
3 x 108 kilometers/hour
d)
none of these
18.
The special theory of relativity was derived by:
a)
Galileo
b)
Newton
c)
Einstein
d)
Sitter
19.
How many postulates are there in the special theory of relativity?
a)
1
b)
2
c)
3
d)
4
20.
The laws of Physics change with your point of view.
a)
True
b)
False
21.
The speed of light is constant in all frames of reference.
a)
True
b)
False
22.
If you travel at the speed of light a second can be observed to last forever.
a)
True
b)
False
23.
Einstein's time dilation equation was derived by very, very advanced mathematics.
a)
True
b)
False
24.
Einstein's General Theory of Relativity explains 
a)
time
b)
distance
c)
gravity
d)
None of These
25.
The General Theory of Relativity says matter bends space.
a)
True
b)
False
26.
What is a factor that is measured for change in an experiment?
a)
control
b)
constant
c)
independent variable
d)
dependent variable
27.

What is the factor that the scientist changes on purpose?

a)

Dependent Variable

b)

Independent Variable

c)

Constant

d)

Control

28.
What type of graph would you make if you were testing oven temperature on the color of cookie?
a)
Line
b)
Bar
c)
Both types are great
d)
You can't make a graph with data from this experiment
29.
Dory set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
distance traveled by the ball
b)
height of the ramp
c)
mass of the ball
d)
ball type
30.

These kind of observation use your senses to observe results.

a)

qualitative

b)

quantitative

31.

The leaf is 5 mm wide.

a)

qualitative

b)

quantitative

32.

Formula: oC(1.8) + 32


-40oC to oF

a)

-40

b)

40

c)

0

d)

-72

33.

Formula: oC(1.8) + 32


100oC to oF

a)

212

b)

100

c)

180

d)

37.78

34.

Formula: oC(1.8) + 32


10oC to oF

a)

50

b)

500

c)

5

d)

-12.22

35.

Formula:( oF - 32) ÷ 1.8


89oF to oC

a)

31.66

b)

13.33

c)

45.55

d)

26.66

36.
A location to which you can compare other locations is called
a)
reference point
b)
motion
c)
location
d)
position
37.
The measure of how quickly something moves or the distance it moves in a given amount of time is called
a)
motion
b)
position
c)
speed
d)
location
38.
Speed is equal to the distance divided by
a)
position
b)
time
c)
height
d)
motion
39.
The unit speed is measured in is
a)
m/s
b)
ft/min
c)
m/hr
d)
m/s^2
40.
A wheelchair racer completes a 100 meter course in 20 seconds. What is his speed?
d= 100 m
t= 20 s
a)
10 m/s
b)
5 m/s
c)
2 m/s
d)
0 m/s
41.
In a distance time graph, the steeper the line the...
a)
greater the speed
b)
slower the speed
c)
speed has reached zero
d)
speed has not changed
42.
Speed in a specific direction is called
a)
speed
b)
acceleration
c)
position
d)
velocity
43.
Stating that a man is traveling north at 30 m/s is an statement of his
a)
speed
b)
velocity
c)
accleration
d)
endurance
44.
If Bj is walking 3 m/s to the north and Lauren is walking 3 m/s to the west, then which of the following is true
a)
They have the same speed and different velocities
b)
They have the same velocity and different speeds
c)
They have the same speed and velocity
d)
They have different speeds and different velocities
45.
A man drives south for 100 km over the course of 20 hours. Find his velocity
d=100 km
t= 20 h
a)
4 km/h
b)
4 km/h to the south
c)
5 km/h
d)
5 km/h to the south
46.
A car goes from 0 m/s to 60 m/s in a period of 5 seconds find its acceleration.
a)
10 m/s^2
b)
12 m/s
c)
12 m/s^2
d)
11 m/s
47.
If a train slows down what type of acceleration does it have
a)
positive
b)
negative
c)
none
48.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
49.
What happens when two forces act in the same direction?
a)
They cancel each other out.
b)
The stronger one prevails.
c)
Their strengths are added.
d)
Their sum divided by the two is the total force.
50.
What is the net force on the block? (click on the words to view the picture)
a)
5 Newtons up
b)
5 Newtons down
c)
15 Newtons up
d)
15 Newtons down
51.
Which of the following statements is true? 
a)
Balanced forces cause a change in motion. 
b)
Unbalanced forces cause a change in motion. 
c)
Forces do not effect the change in motion. 
52.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
53.
Which of the following objects has the least acceleration?
a)
a. an empty shopping cart pushed with a hard force
b)
b. a full shopping cart pushed with a hard force
c)
c. an empty shopping cart pushed with a light force
d)
d. a full shopping cart pushed with a light force
54.
A baseball is thrown a distance of 50 meters. What is the speed if it takes 2 seconds to cover that distance?
a)
100 m/s2
b)
25 m/s2
c)
52 m/s2
d)
100 seconds
55.
During which interval is the object speeding up?
a)
A to B
b)
B to C
c)
D to E
d)
E to F
56.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
57.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
58.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
59.
Another way that force can cause the change in an object's motion is to...
a)
change its color.
b)
change its pitch.
c)
change its direction.
d)
change its spots.
60.
When a heavy football player and a light one run into each other, who exerts more force?
a)
The heavy one
b)
The light one
c)
They are equal
d)
there is no such thing as force
61.
A bus hits a bug and the bug splatters on the windshield, which force is greater?
a)
The Bus
b)
The Bug
c)
They're the same
d)
Gravity acting on the bus
62.
A book rests on a table.  The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec2    
a)
The table presses back up on the book with an equal and opposite force of 20 newtons.
b)
The table presses back up on the book with a force greater than 20 newtons.
c)
The table and the book together are accelerating downwards at  9.8 m/sec2
d)
The inertia of the book holds it up
63.
Because the Earth and moon are gravitationally attracted towards eachother, they will soon collide.
a)
True
b)
False
64.
The gravitational force of Earth of an object decreases as the object moves farther from Earth.
a)
True
b)
False
65.
If the raduis of the Earth were to decrease, what would happen to our weight?
a)
It would increase
b)
It would decrease
c)
It would stay the same
d)
We would become weightless
66.

Which of the following is the unit for momentum?

a)

kg·m/s

b)

kg·m

c)

kg·m/s2

d)

Momentum has no unit.

67.

Calculate the momentum of a 1200-kg truck moving northward at 30 m/s.

a)

36000 kg·m/s, north

b)

400 kg·m/s, north

c)

36000 kg·m/s

d)

400 kg·m/s

68.
Which of the following has more momentum? 
a)
a moving SUV
b)
a moving semi-truck
c)
more information is needed
69.

Which of the following has the greatest momentum?

a)

a scurrying cockroach

b)

a parked semi-truck

c)

more information is needed

70.
If a net force is acting on an object, 
a)
its velocity must be constant
b)
its velocity must be changing
c)
its mass must be changing
d)
its acceleration = 0 
71.
The recoil speed of a rifle is much less than the exit velocity of a bullet because...
a)
the rifle experiences a smaller force
b)
the rifle experiences a smaller change in momentum
c)
the rifle has a much greater mass
d)
the rifle does not obey the laws of physics
72.

Two skaters begin at rest. Skater 1 has a smaller mass than Skater 2. After they push off each other,...

a)

Skater 1 experiences a greater change in momentum

b)

Skater 2 experiences a greater change in momentum

c)

Skater 1 has a greater speed than Skater 2

d)

Skater 1 experiences a greater force

73.
What is the volume?
a)
 50.0 mL
b)
53.0 mL
c)
54.0 mL
74.
Which metric unit would be used to measure the weight of a peanut?
a)
kilogram
b)
gram
c)
ounce
d)
millilter
75.
What is this scientific tool?
a)
beaker
b)
tube
c)
graduated cylinder
d)
balance
76.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
77.

How close a measurement is to the true value is called..

a)

Accuracy

b)

Precision

c)

Significant

d)

Estimate

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