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1st Semester Review 1

Total questions: 95

Worksheet time: 2hrs 20mins

Name
Class
Date
1.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
2.

A runner 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

3.
Which of the following is a unit of time?
a)
sec
b)
mi
c)
m/s
d)
km
4.
Which of the following is a unit of speed ?
a)
sec
b)
mi
c)
m/s
d)
min
5.

Which of the following is a unit of distance ?

a)

miles/hr

b)

m

c)

s

d)

min

6.

Ryan can run 10 meters in 5 seconds. What is his speed?

a)

5 meters/sec

b)

2 meters/sec

c)

5 miles/hour

d)

2 miles/hour

7.

Anne likes to walk 30 feet in 10 seconds. What is her speed?

a)

3 feet/sec

b)

6 feet/sec

c)

10 feet/sec

d)

2 feet/sec

8.
Calculate these 3 car's speeds, then rank them in order of fastest to slowest, with 3 being the fastest car and 1 the slowest car.
Car A- distance: 4 meters, time: 2 sec
Car B- distance: 2 meters, time: 2 sec
Car C- distance: 8 meters, time: 2 sec
a)
Car A= 1
Car B= 2
Car C = 3
b)
Car A = 2
Car B= 1
Car C= 3
c)
Car A= 3
Car B= 1
Car C = 2
d)
Car A = 3
Car B= 2
Car C= 1
9.

Motion is

a)

a word that rhymes with ocean.

b)

an object's change in its speed to a reference point.

c)

an object's change in position to a reference point.

d)

an object's change in position to its rate of speed.

10.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
11.

What is the changing of position over time?

a)

Distance

b)

reference point

c)

acceleration

d)

speed

12.

_______ is the length of the path between two points.

a)

distance

b)

reference

c)

statistic

d)

law

13.

Choose the answer that best fits: Acceleration is the...

a)

change of speed and/or direction over time

b)

change of speed over time

c)

change of direction over time

d)

increase of speed

14.

What is the SI unit for distance?

a)

feet (ft)

b)

meters (m)

c)

meters per second (m/s)

d)

meters per second per second (m/s/s or m/s2)

15.

What is the SI unit for velocity?

a)

feet (ft)

b)

meters (m)

c)

meters per second (m/s)

d)

meters per second per second (m/s/s or m/s2)

16.

What is the unit for acceleration?

a)

feet (ft)

b)

meters (m)

c)

meters per second (m/s)

d)

meters per second per second (m/s/s or m/s2)

17.
What is an inference? 
a)
Just a guess.
b)
A statement based off of your observations. 
c)
The same as an observation. 
d)
Examples of something. 
18.

In each of the following cases, determine where the car has no acceleration?

a)

A car speeds up after a stoplight turns green.

b)

A car slows down as it approaches a red light

c)

A car with the cruise control set at 80 km/h going down a straight highway

d)

A car turning a curve and slows down,

19.

The SI unit for acceleration is

a)

mph

b)

ft/sec

c)

m/s2

d)

m/s

20.

When are you undergoing an acceleration in a car? (Choose all that are correct)

a)

speed up

b)

slow down

c)

stand still

d)

constant speed

21.
A negative acceleration means that your object is _____. 
a)
not accelerating
b)
not moving
c)
speeding up 
d)
slowing down 
22.

A positive acceleration means that your object is _____.

a)

not accelerating

b)

not moving

c)

speeding up

d)

slowing down

23.

A ball rolling down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.

a)

30 m/s

b)

24 m/s2

c)

9 m/s2

d)

81 km/hr

24.
A roller coasters accelerates from an initial velocity of 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
25.
A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
a)
2.2m/s2
b)
7.0m/s2
c)
5.7m/s2
d)
70m/s2
26.

This is a velocity-time graph. What is the object doing in segment A?

a)

Speeding up

b)

Slowing down

c)

Constant Velocity

d)

Not moving

27.
This is a velocity-time graph.  What is the object doing in segment B?
a)
Positive acceleration
b)
Negative acceleration
c)
Constant Velocity
d)
Not moving
28.

This is a velocity-time graph. What is the object doing in segment C?

a)

Speeding up

b)

Slowing down

c)

Constant Velocity

d)

Not moving

29.

Describe the motion of the object in the graph

a)

Moving with constant speed

b)

Speeding up

c)

Not moving

30.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
31.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
32.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
33.
Which graph represents the greatest acceleration?
a)
A
b)
B
c)
C
d)
D
34.

What is occurring on this graph?

a)

speeding up in the positive direction

b)

moving at a constant speed in the positive direction

c)

not moving

d)

moving at a constant speed in the negative direction

35.

What is occurring on this graph?

a)

Negative acceleration

b)

moving at a constant speed in the positive direction

c)

positive acceleration

d)

negative net force

36.
Scott drives a Jeep 12 km east, then 4 km north, then finally 3 km west. He traveled a total distance of:
a)
5 km
b)
10 km
c)
13 km
d)
19 km
37.
Ivan walks 10 meters west to the water fountain, then runs 2 meters east to his class to avoid a lockout. His displacement would be:
a)
8 meters
b)
8 meters, east
c)
8 meters, west
d)
12 meters
38.
Ronaldo runs across a soccer field, moving 10 meters north, then 8 meters west. His displacement would be:
a)
10.2 m, NW
b)
12.8 m, NW
c)
15.4 m, NW
d)
18.0 m, NW
39.

A cat walks 3 meters east toward a laser, then jumps 5 meters due south of the laser when it sees a thing. What is the displacement of the cat (to the nearest tenth)?

a)

3.0m

b)

5.0m

c)

8.0m

d)

5.8m

40.

Which of the following objects is accelerating?

a)

A car driving in a northwest at a constant speed of 35 mph.

b)

A car driving southwest at a constant speed of 35 mph.

c)

A car driving in a circle at a constant speed of 35 mph.

Back

d)

A car driving south at a constant speed of 45 mph.

41.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed 
c)
not moving 
d)
accelerating/slowing down. 
42.

Which of the following choices is an example of VELOCITY?

a)

35 mph

b)

35 meters

c)

35 mph EAST

d)

35 minutes

43.

Using the graph, which person finished the race first?

a)

Biker

b)

Runner

c)

Walker

d)

All of these finished at the same time.

44.

A dog initially running at 4 m/s comes to a stop after travelling 10 meters. How long did it take for the dog to cover the distance?

a)

9 seconds

b)

3 seconds

c)

12 seconds

d)

5 seconds

45.

What is the slope of a velocity versus time graph?

a)

distance

b)

displacement

c)

velocity

d)

acceleration

46.

Emma jogs to the park at a constant rate of 1.5 m/s from her house. It takes her 15 minutes to arrive. How far is her house from the park?

a)

22.5 meters

b)

10 meters

c)

600 meters

d)

1,350 meters

47.
Which section of the graph shows constant velocity?
a)
AB
b)
BC
c)
EF
d)
GH
48.

What is Instantaneous Velocity?

a)

The velocity calculated by taking the overall displacement divided by the overall time.

b)

The velocity at a single instant or specific time.

c)

The velocity at the end of given time period.

d)

The Velocity at the beginning of a given time period.

49.

A negative acceleration means that your object is  

a)

constant

b)

speeding up

c)

at rest

d)

slowing down

50.

Billy runs 400 meters to Andy's house, turns around, and runs 400 meters back home. What is Billy's displacement?

a)

0 meters

b)

400 meters

c)

800 meters

d)

1600 meters

51.
David walks 3 km north, and then turns east and walks 4 km. What is the distance?
a)
7 km
b)
3 km
c)
4 km
d)
1 km
52.

Collecting information by using the senses.

a)

observation

b)

inference

c)

prediction

53.

What are the two kinds of observations?

a)

quantitative and qualitative

b)

quantitative and observations

c)

inferences and predictions

d)

qualitative observations

54.

Which of the following best represents a quantitative observation?

a)

number, amount, measurement

b)

quality, characteristic, description

c)

opinions and relative terms

d)

subjective

55.

The beaker contains 250 mL of vinegar.

a)

qualitative observation

b)

quantitative observation

c)

inference

d)

prediction

56.

The liquid in the graduated cylinder is blue.

a)

quantitative observation

b)

qualitative observation

c)

inference

d)

prediction

57.

The plant has grown 25 cm since the last time it was watered.

a)

qualitative observation

b)

quantitative observation

c)

inference

d)

prediction

58.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
59.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
60.
This variable in an experiment is the one being changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
61.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
62.
Dependent variable means
a)
the scientist controls what to test
b)
educated guess
c)
ask a question
d)
what is being measured
63.
If you increase the amount of spinach you eat, then you will increase the iron in your blood. 
What's the dependent variable?
a)
increase the amount of iron in your blood
b)
spinach you eat
64.
If I ride my bike to school instead of walking, then I will get to school faster. What is the dependent variable?
a)
True
b)
How fast you get to school
c)
Riding a bike or walking
d)
False
65.
If I study for my scientific method test, then I will have a better test score. What is the dependent variable?
a)
Scientific Method
b)
Studying
c)
Independent variable
d)
Test score
66.
If I listen to Mr. Castro's instructions, then I will have less accidents in the lab. What is the independent variable?
a)
Yes
b)
Maybe
c)
Listening or not listening to instructions
d)
Likelihood of having an accident in lab 
67.
If I read this question carefully, then I will answer it correctly. What is the independent variable?
a)
I hope so
b)
Yes
c)
Reading or not reading carefully
d)
Likelihood of a correct answer
68.

Which unit is not used in the metric system?

a)

meter

b)

gram

c)

pound

d)

liter

69.

A unit of length in the metric system is the:

a)

liter

b)

gram

c)

meter

d)

Newton

70.

A unit of mass in the metric system is the:

a)

centimeter

b)

gram

c)

liter

d)

ounce

71.

Which unit would be best to measure the length of a pencil?

a)

meters

b)

centimeters

c)

kilometers

d)

decimeters

72.

Which of the following holds approximately 2 mL of water?

a)

a small pail

b)

a medicine dropper

c)

a fish tank

d)

a swimming pool

73.

Choose the correct answer.

a)

100.42 g

b)

40.102 g

c)

142 g

d)

140.2 g

74.

What is the correct measurement?

a)

33 mL

b)

39 mL

c)

40 mL

d)

38 mL

75.

53 millimeters is represented by which letter?

a)

D

b)

C

c)

B

d)

E

76.

G represents which of the following measurements?

a)

15 millimeters

b)

120 millimeters

c)

12 millimeters

d)

120 centimeters

77.

Which of the following metric measurements would be used to measure the length of a football field?

a)

centimeters

b)

kilometers

c)

meters

d)

millimeters

78.
What type of graph is this?
a)
Bar Graph
b)
Line Plot
c)
Pictograph
d)
Tally Chart
79.
What is a constant? 
a)
the normal situation
b)
the thing we measure in the end
c)
the thing we are testing
d)
the thing we keep the same for every part of the experiment
80.
The Independent/Manipulated Variable goes on the ___ axis
a)
x
b)
y
81.
The Dependent/Responding Variable goes on the ___ axis
a)
x
b)
y
82.
Which axis runs horizontally?
a)
x
b)
y
83.
Which axis runs vertically?
a)
x
b)
Y
84.

The following graph is called a _______________

a)

Circle Graph

b)

Stem and Leaf Plot

c)

Disk Looking Thingymabob

d)

Cake Graph

85.
5 L = ___________ mL
a)
5000
b)
0.005
c)
50
d)
0.5
86.
2000 mg = ________ g
a)
2,000,000 
b)
2 
c)
20 
d)
200,000 
87.
2500 m = _________ km
a)
250
b)
2.5
c)
25,000
d)
25
88.

The kind of observation that is made while measuring an object?

a)

Direct Observation

b)

Indirect Observation

89.

The kind of observation made when you can't actually see/manipulate the object being observed.

a)

Direct Observation

b)

Indirect Observation

90.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
91.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
92.
If a force causes an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Massive
d)
Strong
93.

If an object is pushed with a force of 20N and moves with an acceleration of 2.0 m/s^2, what is the object's mass?

a)

10 kg

b)

40 kg

c)

20 kg

d)

0.1 kg

94.

If an object with a mass of 30 kg is moving with an acceleration of 4 m/s^2 what was the force used to push the object.

a)

7.5 N

b)

0.13 N

c)

120 N

d)

34 N

95.

Calculate the net force.

a)

0 N

b)

5 N

c)

25 N

d)

15 N

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