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SEM 1 Review 2021

Total questions: 86

Worksheet time: 3hrs 0mins

Name
Class
Date
1.
The diagram shows a graduated cylinder containing water.  From which position will the most accurate measure of the volume of water be made?
a)
Position 1
b)
Position 2
c)
Position 3
d)
Position 4
2.

What is the length of the object in centimeters?

a)

3.40 cm

b)

4.3 cm

c)

3.5 cm

d)

1 1/4 inches

3.

What is the volume of the liquid in this graduated cylinder?

a)

19 mL

b)

35 mL

c)

24.0 mL

d)

26.0 mL

4.

Which answer best approximates the metric temperature reading on the thermometer?

a)

82.9 F

b)

86 C

c)

30 C

d)

30.0 C

5.

Read the graduated cylinder to the appropriate precision. Which answer is most appropriate?

a)

6.3 mL

b)

6 mL

c)

6.61mL

d)

6.31 mL

6.

Which is the correct temperature for this thermometer?

a)

58.4 oC

b)

57.4 oC

c)

50.74 oC

d)

57 oC

7.

What is the length of the pencil?

a)

2.5cm

b)

3cm

c)

2.56cm

d)

3.0cm

8.
a)

3cm

b)

4cm

c)

3.6cm

d)

3.60cm

9.
Convert from meters to cm:  9 meters
a)
900 cm
b)
90 cm
c)
0.9 cm
d)
0.09 cm
10.
Convert 17 m to cm:
a)
0.17 cm
b)
0.017 cm
c)
1,700 cm
d)
170 cm
11.
Convert 300 meters to centimeters:
a)
3000 cm
b)
0.3 cm
c)
30,000 cm
d)
3 cn
12.
Convert 5 cm to mm:
a)
5,000mm
b)
0.5 mm
c)
0.05 mm
d)
50 mm
13.
Convert 300 cm to m:
a)
3 m
b)
30 m
c)
0.3 m
d)
0.03 m
14.
1000 grams = _____ kilograms
a)
0.0001
b)
1,000,000
c)
10
d)
1
15.
490,000 g =____ kg
a)
490
b)
49
c)
4,900
d)
0.49
16.
Convert 0.25 m to mm
a)
25
b)
2.5
c)
250
d)
0.025
17.

0.0079 cm = mm

a)

0.079

b)

0.79

c)

7.9

d)

0.0079

e)

0.00079

18.

0.00738 L = ___ mL

a)

7.38

b)

73.8

c)

0.738

d)

0.0738

e)

738

19.

What is 0.9km in meters?

a)

0.9

b)

9

c)

90

d)

900

20.

what is 6250mg in g?

a)

6.25

b)

62.5

c)

625

d)

0.625

21.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
22.
John took 90 minutes to bicycle to his grandmother's house, a total of six kilometers.  What was his speed (pay attention to units)? 
a)
540 km/hr
b)
.066 km/hr
c)
4 km/hr
d)
9 km/hr
23.
An object is _____ if its position changes relative to another object.
a)
in motion
b)
at reset
c)
a frame of refence
d)
magical
24.
What is needed to determine the position of an object. It refers to something that is not moving with respect to an observer that can be used to detect motion.
a)
Motion
b)
Speed
c)
Frame of Reference
d)
Distance
25.
From 15s to 40s, how would you describe the motion of the object shown in this v x t graph?
a)
Negative Velocity
b)
Negative Acceleration
c)
Constant  Negative Velocity
d)
No motion
26.
Can your distance ever be greater than your displacement?
a)
Yes
b)
No
27.
Can your displacement ever be greater than your distance?
a)
Yes
b)
No
28.
Which turtle ran the fastest?
a)
Bill
b)
Myrtle
c)
Zed
29.
A horizontal line on a v x t graph shows
a)
positive acceleration
b)
negative acceleration
c)
change
d)
zero acceleration
30.

Jermaine runs exactly 2 laps around a 400 meter track. What is his displacement for his whole run?

a)

800 meters

b)

400 meters

c)

0 meters

d)

200 meters

31.
A place or object used for comparison to determine if another object is in motion is called a
a)
comparison point
b)
reference point
c)
point of view
d)
motion detector
32.

The graph represents (Consider Distance on the y axis the same as position)

a)

No motion

b)

Constant velocity

c)

Acceleration

d)

Deceleration

33.

The graph represents (consider distance like position)

a)

Acceleration

b)

No motion

c)

Deceleration

d)

Constant Velocity

34.

Acceleration of an object happens when things ________

a)

slow down

b)

go faster

c)

change direction (turn)

d)

All of the above

35.
A runners races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
36.
What is the displacement from 0-5 seconds?
a)
25 m away
b)
5 m away 
c)
6 m away
d)
15 m away
37.
What is the average velocity from 0-5 seconds?
a)
25 m/s away
b)
5 m/s away
c)
1 m/s away
d)
15 m/s away
38.
What is the average velocity from 5-10 seconds?
a)
0 m/s away
b)
5 m/s away
c)
1 m/s away
d)
15 m/s away
39.

Velocity definition

a)

Total distance divided by time squared: The rate of change in time

b)

Displacement divided by time: The rate of change in position.

c)

Change in position with a direction

d)

Change in velocity divided by time

40.

Consider the position vs. time graph below for cyclists A and B.

Do the cyclists start at the same point?

a)

Yes

b)

No

41.

What is happening at the intersection of lines A and B?

a)

The cyclists stop

b)

The cyclists speeds are equal

c)

The cyclists are at the same position at the same time.

42.
A negative velocity means you are...
a)
moving in the negative direction
b)
moving in the positive direction
c)
speeding up
d)
slowing down
43.

Describe the motion of the object in the graph (this is like a pxt graph

a)

constant velocity

b)

speeding up

c)

slowing down

d)

at rest

44.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
45.
How far has the red runner gone in 3 seconds?
a)
40 yards
b)
10 yards
c)
30 yards
d)
20 yards
46.
Which of the following represents a velocity?
a)
40 m
b)
40 m north
c)
40 m/s
d)
40 m/s north
47.

What is the object doing from point B to C?

a)

moving forward

b)

not moving

c)

moving backward

48.

According to this graph, what is happening to the velocity?

a)

The object is moving positve the entire time but is moving at different constant velocities

b)

The object is moving positive, then negative at constant velocities

c)

The object is moving backward the entire time at a constant velocity

d)

The object is not moving at all because the line is not increasing or decreasing as time moves forward

49.

According to the graph, what is happening?

a)

The object is moving forward at a constant velocity, then moves backward at a constant velocity.

b)

The object is moving backward at a constant velocity, then forward at a constant velocity

c)

The object is moving forward the entire time at a constant velocity

d)

The object is not moving at all because the line is not increasing

50.
Which runner had a head start?
a)
A
b)
B
c)
C
51.
How long did it take this object to travel back to its reference/starting point?
a)
20 s
b)
30 s
c)
60 s
d)
100 s
52.
How far is the person from the starting point after 3 seconds?
a)
0 m
b)
2 m 
c)
3 m
d)
6 m 
53.
What is the average speed of the person during the first 5 seconds?
a)
0 m/s
b)
1 m/s 
c)
3 m/s
d)
6 m/s 
54.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
55.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
56.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
57.

From time 4-5s, who was running faster, Runner B or Runner C?

a)

B

b)

C

c)

They are running at the same speed

58.

What is occurring on this graph?

a)

slowing down in the positive direction

b)

moving at a constant speed in the positive direction

c)

positive change in momentum

d)

positive net force

59.

The velocity-time graphs represent the motion of four different objects. Identify any object that is moving in the + direction and speeding up. Tap on all that apply.

a)
b)
c)
d)
60.

Crystal recorded the distance and time she and Lisa drove their race cars. Which best describes the difference in the motion of the two race cars?

a)

Crystal’s race car is decreasing speed, and Lisa’s race car is

increasing speed.

b)

Crystal’s race car is increasing speed, and Lisa’s race car is

decreasing speed.

c)

Crystal’s race car has not moved, and Lisa’s race car is moving

forward.

d)

Crystal's race care is moving at a constant speed, and Lisa's race car is standing still.

61.
What is the velocity?
a)
not moving
b)
increasing
c)
positive
d)
negative
62.
Is the speed constant or non-constant?
a)
constant
b)
non-constant
63.

From time 0-1s, who was running faster, Runner B or Runner C?

a)

B

b)

C

c)

They are running at the same speed

64.

On this position vs time graph, what is the velocity?

a)

40 m/s

b)

8 m/s

c)

5 m/s

d)

0 m/s

65.

Which elevator is traveling the FASTEST?

a)

A

b)

B

c)

C

d)

D

e)

E

66.

Displacement is the difference between your

a)

reference point and reference direction

b)

total distance traveled

c)

starting position and your final position

d)

average speed

67.

Which of the following position time graphs matches the velocity time graph?

a)
b)
c)
d)
68.

Which of the following velocity time graphs matches this position time graph?

a)
b)
c)
d)
69.

which of the following velocity time graphs matches this position time graph?

a)
b)
c)
d)
70.

what is the formula for acceleration?

a)

a=ΔvΔta=\frac{\Delta v}{\Delta t}

b)

a=dta=\frac{d}{t}

c)

Slope of a position by time graph

71.

Find the acceleration from A to B.

a)

0.5 ms2\frac{m}{s^2}

b)

0.5 m/s

c)

2 ms2\frac{m}{s^2}

72.

what is happening in this velocity time graph from C to D?

a)

uniform positive velocity

b)

body is at rest

c)

constant velocity

73.

Calculate the acceleration of the object represented in the graph.

a)

5/2m/s2

b)

40m/s

c)

2m/s2

74.

Calculate the acceleration of the object represented in the graph.

a)

5/2m/s2

b)

40m/s

c)

2m/s2

75.
This implies that one variable has a direct affect on the other variable.
a)
Correlation
b)
Causation
76.

Correlation or Causation?

The speed you drive and the amount of fuel you use

a)

Correlation

b)

Causation

77.

Correlation or Causation?

The inches of snowfall and the number of heart attacks

a)

Correlation

b)

Causation

78.

Correlation or Causation?

Number of followers on social media and number of posts

a)

Correlation

b)

Causation

79.

Correlation or Causation?

When it rains several inches, the water level of a lake increases

a)

Correlation

b)

Causation

80.

Correlation or Causation?

When there is more protein in an athlete's diet, the athlete scores more points in a game

a)

Correlation

b)

Causation

81.

Which example shows CAUSATION?

a)

Taller people have larger shoe sizes and shorter people have smaller shoe sizes.

b)

If you exercise, the calories burned per minute increases.

82.
Which example shows a CORRELATION?
a)
It rained and the ground is wet.
b)
Ice cream sales increase as temperature increases.
83.

Which one of these examples is NOT an example of CAUSATION?

a)

Kryptonite causes Superman to lose all his powers.

b)

Temperatures of less than 32˚F cause water to freeze.

c)

Umbrellas cause rainstorms.

d)

Stepping on the gas pedal causes a car to move faster.

84.
Describe the correlation in the graph shown.
a)
Strong Negative
b)
Strong Positive
c)
Weak Negative
d)
Weak Positive
85.
Describe the correlation in the graph shown.
a)
Strong Negative
b)
Strong Positive
c)
Weak Negative
d)
Weak Positive
86.

Is this line an accurate line estimate of best fit for the data?

a)

Yes

b)

No

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