WorksheetsCopy of Semester 1 Exam: Physical Science
Total questions: 136
Worksheet time: 1hrs 8mins
Name
Class
Date
1.
Which of the following would be a unit for volume?
a)
mL
b)
kg
c)
cm
2.
What system is used in scientific measurement?
a)
imperial system
b)
standard system
c)
metric system
3.
What is the metric base for mass?
a)
meter
b)
gram
c)
liter
4.
469.1 mg = (a) g
5.
2200 m = (a) km
6.
3.5 L = (a) cL
7.
3.8 m = (a) mm
8.
0.946 L = (a) mL
9.
5000 g = (a) kg
10.
Which of the following would be a unit for mass?
a)
mL
b)
kg
c)
cm
11.
Which of the following would be a unit for length?
a)
mL
b)
kg
c)
cm
12.
Which of these units is the longest?
a)
centimeter
b)
kilometer
c)
millimeter
13.
This depicts
a)
precision but not accuracy
b)
accuracy but not precision
c)
neither accuracy or precision
14.
This depicts
a)
precision but not accuracy
b)
accuracy but not precision
c)
both accuracy and precision
15.
What is the variable on the x-axis?
a)
time
b)
bubbles
c)
depth
16.
Which depth produced the most bubbles per minute?
a)
10 m
b)
2 m
c)
37 m
17.
Which depth produced the least bubbles per minute?
a)
10 m
b)
2 m
c)
37 m
18.
How many bubbles were produced at a depth of 25 m?
a)
30 bubbles/min
b)
10 bubbles/min
c)
20 bubbles/min
19.
We generally describe motion from the frame of reference from?
a)
cars
b)
earth
c)
sun
20.
Distance is how far an object has moved. Displacement is the shortest distance between the starting and ending point and it also includes
a)
speed
b)
kilometer
c)
direction
21.
If you run around the block one time, what would be your displacement be? (Think about your starting point and ending point)
a)
1 mile [north]
b)
0 miles
c)
0.5 miles [west]
22.
Sally walked 0.5 miles to the pool and then walked back home after she swam. What distance did she walk in TOTAL?
a)
1 mile
b)
4 miles
c)
1.4 miles
23.
Joey ran 20 m [north] and then 10 m [south]. What is his DISPLACEMENT?
a)
20 m [north]
b)
5 m [south]
c)
10 m [north]
24.
A speedometer tells you
a)
instantaneous speed
b)
average speed
c)
average velocity
25.
A farmer applies different fertilizers to his cotton crops to see which will make his plants grow the highest. What is the independent variable?
a)
type of fertilizer
b)
different cotton crops
c)
height of plants
26.
A farmer applies different fertilizer to his cotton crops to see which will make his plants grow the highest. What is the dependent variable?
a)
type of fertilizer
b)
different cotton crops
c)
height of plants
27.
In a study about headaches, doctors gave patients Alieve, Tylenol, Advil and Excedrin, to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the independent variable?
a)
amount of medication
b)
amount of time until pain was relieved
c)
type of pain reliever
28.
In a study about headaches, doctors gave patients Alieve, Tylenol, Advil and Excedrin, to see which medication would relieve the headache pain the fastest. The doctors timed how long it took the medication to work. What is the dependent variable?
a)
amount of medication
b)
amount of time until pain was relieved
c)
type of pain reliever
29.
A scientist wanted to determine the color flower that bees are most attracted to. She placed different colors of the same type of flower near each other and counted the number of bees that visited each flower color. What is the independent variable?
a)
type of flower
b)
color of flower
c)
number of bees
30.
A scientist wanted to determine the color flower that bees are most attracted to. She placed different colors of the same type of flower near each other and counted the number of bees that visited each flower color. What is the dependent variable?
a)
type of bees
b)
color of flower
c)
number of bees
31.
The independent variable is the one that you measure.
a)
true
b)
false
32.
The independent variable is the variable that you change.
a)
true
b)
false
33.
In an experiment, the factor that we measure is called the
a)
independent variable
b)
controlled variable
c)
dependent variable
34.
What is the independent variable?
a)
time of the week
b)
frequency of balloons sold
c)
color of balloon
35.
What is the dependent variable?
a)
time of the week
b)
frequency of balloons sold
c)
color of balloon
36.
Which balloon sold the best?
a)
black
b)
red
c)
green
d)
blue
e)
purple
37.
Which TWO balloon colors sold the same amount?
a)
black
b)
red
c)
green
d)
blue
e)
purple
38.
Which species population was consistently increasing?
a)
bears
b)
dolphins
c)
whales
39.
Which species had the greatest population in 2019?
a)
bears
b)
dolphins
c)
whales
40.
Which information goes on the x-axis?
a)
title
b)
independent variable
c)
dependent variable
41.
Which information goes on the y-axis?
a)
title
b)
independent variable
c)
dependent variable
42.
The distance between two points is called
a)
time
b)
length
c)
mass
43.
If John walked from A to B, then to C, then to D, what was his total DISTANCE traveled?
a)
15 m
b)
11 m
c)
8 m
44.
When an object is stopped, what is its speed?
a)
0 m/s
b)
10 m/s
c)
-3 m/s
45.
Which section is the object stopped?
a)
1
b)
3
c)
4
46.
What is the farthest distance the object travels?
a)
2 m
b)
12 m
c)
10 m
47.
How long did it take the object to go 2 m?
a)
4 s
b)
6 s
c)
12 s
48.
In this speed vs time graph, what time frame was the car traveling a constant 15 m/s?
a)
0 - 10 s
b)
10 - 20 s
c)
20 - 30 s
49.
In this speed vs time graph, when is the car slowing down to a stop (decelerating)?
a)
A
b)
B
c)
D
50.
What is the unit for force?
a)
kg
b)
m/s
c)
N
51.
The force that one surface exerts on another when the two rub against each other is called
a)
friction
b)
gravity
c)
inertia
52.
Newton's first law is sometimes called the law of _______, because objects resist a change in motion.
a)
momentum
b)
inertia
c)
conservation
53.
What is the net force?
a)
3 N
b)
6 N
c)
0 N
54.
What is the net force?
a)
10 N
b)
15 N
c)
5 N
55.
Find the force needed to move a 5 kg object with an acceleration of 2 m/s^2 (F=ma)
a)
5 N
b)
3 N
c)
10 N
56.
Which of the following has the greatest amount of friction because it is not moving?
a)
static
b)
sliding
c)
rolling
57.
Friction works in the __________ direction of motion.
a)
opposite
b)
same
58.
What is the net force depicted?
a)
10 N left
b)
20 N right
c)
0 N
59.
Friction turns motion into _________.
a)
speed
b)
contact
c)
heat
60.
What is the net force depicted?
a)
10 N right
b)
20 N right
c)
0 N
61.
What is the net force depicted?
a)
8 N right
b)
18 N left
c)
2 N left
62.
Which is an example of a fluid friction?
a)
air hockey table
b)
pushing a box up a ramp
c)
roller skating
63.
Lucy pushes the wagon forward with 3N of force. Joey pulls the wagon forward with 5N of force. What is the net force on the wagon?
a)
4N Forward
b)
8N Forward
c)
2N Backward
64.
The magnitude and direction of the net force is __________ and forces are __________.
a)
50 N up and unbalanced
b)
30 N down and unbalanced
c)
30 N up and unbalanced
65.
An object is on a table. It is not moving. One force of 15 N is acting to the right and another force of 15 N is acting to the left. The magnitude and direction of the net force is _______________ and forces are _____________.
a)
30 N left, balanced
b)
0 N, balanced
c)
0 N, unbalanced
66.
In Physics, all liquids and gasses are ______
a)
oil
b)
weightless
c)
fluids
67.
Gravity is a _______ force
a)
non-contact
b)
contact
68.
What causes a change in motion?
a)
balanced force
b)
unbalanced force
c)
mass
69.
What is the density of water?
a)
10 g/mL
b)
1 g/mL
c)
9.8 g/mL
70.
If an object has a density greater than the density of water what will it do?
a)
sink
b)
float
c)
suspend
71.
If an object has a density of 0.5 g/mL, will the object sink, float or suspend in water?
a)
sink
b)
float
c)
suspend
72.
Which simple machine makes it easier to split an object into two parts?
a)
wedge
b)
lever
c)
pulley
73.
Which of the labeled points shows the input force?
a)
A
b)
B
74.
Which is an example of an inclined plane?
a)
floor of bathtub
b)
door knob
c)
axe
75.
A boy pushes on a parked car with a force of 200N. The car does not move. How much work does the boy do?
a)
200 J
b)
0 J
c)
20 J
76.
Type of simple machine?
a)
inclined plane
b)
lever
c)
screw
d)
wedge
e)
pulley
77.
Which of the labeled points shows the input force?
a)
A
b)
B
78.
Efficiency of a machine is
a)
always less than 100%.
b)
always greater than 100%.
c)
always equal to 100%.
79.
How could you increase the efficiency of a machine?
a)
Decreasing the amount of friction
b)
Decrease the amount of force
c)
Decrease the amount of power
80.
In which of the situations is NO work being done?
a)
Holding a box over head
b)
Pushing a box across the floor
c)
Carrying a box up a flight of stairs
81.
Lever A has a mechanical advantage of 11. Lever B has a mechanical advantage of 8. Which lever will make work easier?
a)
Lever A
b)
Lever B
82.
What causes efficiency to be less than 100%?
a)
The power exerted
b)
The work exerted
c)
The effects of friction
83.
Which of the following is NOT an example of KINETIC ENERGY (motion energy)?
a)
a book sitting on a shelf
b)
a rolling ball
c)
running
84.
What kind of energy does an apple hanging in a tree have?
a)
gravitational
b)
kinetic
c)
elastic
85.
What kind of energy does food provide?
a)
thermal
b)
electrical
c)
chemical
86.
What kind of energy does a bow and arrow have?
a)
thermal
b)
radiant
c)
elastic
87.
What kind of energy is in a battery?
a)
radiant
b)
kinetic
c)
chemical
88.
How are the runners transforming energy?
a)
chemical energy to thermal energy
b)
gravitational energy to radiant energy
c)
electrical energy to chemical energy
89.
How does burning wood transform energy?
a)
chemical energy to radiant (light) energy
b)
kinetic (motion) energy to gravitational potential energy
c)
sound energy to nuclear energy
90.
How does a solar calculator transform energy?
a)
gravitational potential energy to electrical energy
b)
thermal energy to radiant energy
c)
radiant energy to electrical energy
91.
At what point will the car have the greatest potential energy?
a)
W
b)
X
c)
Y
92.
At what point will the car have the greatest kinetic energy?
a)
W
b)
X
c)
Y
93.
Which type of energy involves the movement of electrons?
a)
electrical energy
b)
sound energy
c)
radiant energy
94.
How does a trampoline transform energy?
a)
chemical energy to radiant (light) energy
b)
sound energy to gravitational energy
c)
elastic potential energy to kinetic (motion) energy
95.
Which nonrenewable resource is most used in the U.S.?
a)
coal
b)
oil
c)
natural gas
96.
Which nonrenewable resource is considered the "cleanest" because it produces the least amount of CO2?
a)
coal
b)
oil
c)
natural gas
97.
Select the sources that are considered NONRENEWABLE.
a)
oil
b)
natural gas
c)
coal
d)
solar
e)
wind
98.
What makes a resource non renewable?
a)
It produces lots of pollution
b)
It runs out or takes millions of years to replace
c)
It comes from the Earth
99.
What sparked the research into nuclear energy?
a)
the fear of global warming
b)
the atomic bomb
c)
the discovery of uranium
100.
Where does most of the U.S. oil come from?
a)
U.S.
b)
Canada
c)
Saudi Arabia
101.
A barrel of crude oil is mostly used to produce
a)
plastics
b)
gasoline
c)
jet fuel
102.
How does wind energy convert energy?
a)
gravitational to thermal
b)
radiant to electrical
c)
kinetic to electrical
103.
In general, what resources produce more pollution when used for energy?
a)
non renewable
b)
renewable
104.
Which country gets the most energy from coal?
a)
China
b)
USA
c)
United Kingdom
105.
In what year did the most solar installations in residential occur?
a)
2010
b)
2016
c)
2017
106.
Which country gets the least amount of energy from coal?
a)
China
b)
USA
c)
United Kingdom
107.
According to the map, which state produces the most crude oil?
a)
New York (NY)
b)
California (CA)
c)
Texas (TX)
108.
The rotation of earth and air temperature help to create?
a)
thermal energy
b)
solar energy
c)
wind energy
109.
The height of a transverse wave is known as
a)
the wavelength
b)
the amplitude
c)
the trough
110.
A wave carries
a)
friction
b)
energy
c)
particles
111.
Which wave has a shorter wavelength?
a)
A
b)
B
112.
Which wave has a high amplitude?
a)
A
b)
B
113.
Which type of wave has particles that vibrate parallel to the direction of the traveling wave?
a)
transverse wave
b)
longitudinal wave
c)
surface wave
114.
What type of wave is depicted below?
a)
surface wave
b)
transverse wave
c)
longitudinal wave
115.
What type of wave is depicted below?
a)
surface wave
b)
transverse wave
c)
longitudinal wave
116.
The area of a longitudinal wave where the matter is stretched apart.
a)
wavelength
b)
compression
c)
rarefaction
117.
Which medium does sound travel the most quickly through?
a)
gas
b)
liquid
c)
solid
118.
The bouncing of the light off the smooth water surface is an example of what type of behavior?
a)
reflection
b)
refraction
c)
diffraction
119.
Sound canceling headphones use frequencies that combine with outside sound waves to make the amplitude smaller and make the sound appear quieter to us. What kind of interference would this be?
a)
constructive interference
b)
destructive interference
120.
_________________ can pass through flesh but are absorbed by bones and teeth
a)
gamma rays
b)
x-rays
c)
infrared rays
121.
These rays cause our skin to tan
a)
visible light
b)
infrared rays
c)
ultraviolet light
122.
Which of the waves can we actually see
a)
microwaves
b)
visible light
c)
ultraviolet light
123.
Longitudinal wave particles move _____ to the direction of the wave.
a)
parallel
b)
perpendicular
124.
Transverse wave particles move _____ to the direction of the wave.
a)
parallel
b)
perpendicular
125.
In a longitudinal wave, the area that the coils are close together is known as
a)
rarefraction
b)
compression
c)
crest
126.
Which wave type can travel through empty space?
a)
mechanical waves
b)
electromagnetic waves
127.
What is the highest point of a transverse wave?
a)
compression
b)
crest
c)
trough
128.
Who studied current electricity with a kite and a key
a)
Ben Franklin
b)
Thomas Edison
c)
The Greeks
129.
A device used to easily open and close an electric circuit is a
a)
light bulb
b)
switch
c)
resistor
130.
Which type of energy is associated with electric currents?
a)
mechanical energy
b)
electrical energy
c)
magnetic energy
131.
The material through which a wave travels
a)
medium
b)
frequency
c)
amplitude
132.
The distance between one point on a wave and the nearest point just like it
a)
wavelength
b)
frequency
c)
trough
133.
Electricity is the flow of ______________
a)
electrons
b)
neutrons
c)
protons
134.
What type of circuit is shown?
a)
open circuit
b)
parallel circuit
c)
series circuit
135.
Will bulb A be turned on?
a)
yes
b)
no
136.
Will bulb B be turned on?
a)
yes
b)
no
100 %
