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WorksheetsMidterm Exam Review
Total questions: 69
Worksheet time: 52mins
Name
Class
Date
1.
Kinetic energy depends on both:
a)
velocity and mass
b)
velocity and height
c)
height and mass
d)
gravity and height
2.
which of the following best demonstrates kinetic energy?
a)
light bulb
b)
bird in flight
c)
book on a shelf
d)
flashlight battery
3.
A hydraulic lift used at an automotive repair shop raises a 1000 kilogram car two meters off the ground. What is the potential energy given to the car?
a)
19600
b)
2000
c)
9800
4.
As a heavy metal ball rolls down a hill, it goes faster and faster. Which statement is true?
a)
the ball's potential energy is changing to kinetic energy
b)
the ball is gaining potential energy from the hill
c)
the ball is rapidly losing kinetic energy as it rolls down the hill
d)
the ball will continue gaining kinetic energy until it stops
5.
A 2.0 kilogram mass is moving with a speed of 3.0 m/s. What is the kinetic energy of the mass?
a)
9 J
b)
6 J
c)
58.8 J
6.
An archer pulls back the bowstring to prepare to shoot an arrow. She uses an average force of 40N, moving the bowstring 0.2 m. How much energy is stored in the bow?
a)
8 J
b)
20 J
c)
200 J
7.
When a marble starts rolling on a track the energy transformation was
a)
Potential to kinetic
b)
Kinetic to potential
c)
No energy was transformed
d)
potential to gravity
8.
Gravitational potential energy depends on both
a)
velocity and mass
b)
velocity and height
c)
height and weight
d)
gravity and height
9.
What force will cause a marble to slow down on a track?
a)
Friction
b)
Potential Energy
c)
Gravity
d)
Friction, potential energy, and gravity
10.
When you lift a marble to the top of a track roller coaster track,
a)
You increased potential energy, and increased kinetic energy
b)
You decreased potential energy, and increased kinetic energy
c)
You just increased potential energy
d)
You just increased kinetic energy
11.
This device will allow you to measure the difference in chemical potential energy between two different metals
a)
ammeter
b)
voltmeter
c)
resistor
d)
capacitor
12.
Which circuit when closed, no matter how many batteries were added, will remain a constant voltage of the first battery?
a)
open circuit
b)
parallel circuit
c)
series circuit
d)
short circuit
13.
Which circuit, when closed, will the voltage increase by the amount of volts added in the circuit?
a)
series circuit
b)
parallel circuit
c)
short circuit
d)
closed circuit
14.
You go to measure the amps in a circuit and closed the switch. You noticed the needle moves below zero. Which statement best explains what happened?
a)
You have the positive and negative terminals wrong, so you have to switch them
b)
Something must be wrong with the equipment, so you raise your hand and stop
c)
The batteries must be dead, so they need to be replaced
d)
In a closed circuit, no electrons are allowed to flow
15.
Which of the following would be the best conductor of electricity?
a)
Wood
b)
Glass
c)
Aluminum
d)
Plastic
16.
What is the material called that prevents the flow of electrons (electricity)?
a)
Conductor
b)
Insulator
c)
Resistor
d)
Capacitor
17.
An electric current in a metal consists of moving
a)
nuclei
b)
protons
c)
neutrons
d)
electrons
18.
A material that can slow down the flow of electrons, without stopping it
a)
conductors
b)
insulators
c)
regulators
d)
resistors
19.
Marta has a radio in her room. It requires electricity in order to play. Which of the following is necessary in order for electricity to move from the source to the radio?
a)
a circuit
b)
a magnet
c)
a speaker
d)
an insulator
20.
Which statement is true about charged particles?
a)
electrons will flow from a positive charged area to a negative charged area
b)
electrons will flow from a negative charge to negative charged area
c)
electrons will flow from a positive charge to positive charge area
d)
electrons will flow from a negative charged area to positive charged area
21.
Which best describes a parallel circuit?
a)
electricity flows along one pathway
b)
electricity flows along more than one pathway
c)
the flow of electricity comes from one source
d)
the flow of electricity comes from more than one source
22.
If a ringing bell is placed in a vacuum chamber and all of the air is removed, what will happen?
a)
The bell will make no sound.
b)
The sound will shatter the vacuum chamber.
c)
The ringing will become quieter.
d)
The ringing will become louder
23.
Which type of wave is represented?
a)
transverse
b)
longitudinal
c)
elliptical
d)
compressional
24.
Which type of wave requires a material medium through which to travel?
a)
electromagnetic
b)
infrared
c)
sound
d)
radio
25.
As a transverse wave travels through a medium, the individual particles of the medium move
a)
perpendicular to the direction of wave travel
b)
parallel to the direction of wave travel
c)
in circles
d)
in ellipses
26.
A characteristic common to sound waves and light waves is that they
a)
are longitudinal
b)
are transverse
c)
transfer energy
d)
travel in a vacuum
27.
If a disturbance is parallel to the direction of travel of a wave, the wave is classified
a)
longitudinal
b)
electromagnetic
c)
transverse
d)
torsional
28.
A dolphin can typically hear sounds with frequencies up to 150 Hz. What is the speed of sound in water if a wave with this frequency has a wavelength of 1.0 cm?
a)
150 m/s
b)
0.0067 m/s
c)
1.5 m/s
d)
151.0 m/s
29.
Cicadas produce a buzzing sound that has a wavelength in air of 2.69 m. If the speed of sound in air is 346 m/s, what is the frequency of the sound produced by a cicada? What is its frequency?
a)
128.62 Hz
b)
930.74 Hz
c)
0.00778 Hz
d)
No correct answer
30.
The lowest pitch that the average human can hear has a frequency of 20.0 Hz. If a sound with this frequency travels through air with a speed of 331 m/s, what is its wavelength?
a)
6,620 m
b)
0.060 m
c)
16.55 m
d)
No correct answer
31.
Which statement best describes waves
a)
mechanical waves need medium to pass through, electromagnetic waves also need medium to pass through
b)
mechanical waves need medium to pass through, electromagnetic waves don’t need medium to pass through
c)
both waves can pass through medium
d)
both waves don't need medium to pass through
32.
Why are Xrays more harmful than infrared waves in medical imaging?
a)
Xrays will go through your body, but not destroy DNA or cause cell mutations
b)
They are not more harmful
c)
Xrays put out radiation
d)
Xrays will go through your body, destroying DNA or causing cell mutations
33.
Which of the following has the smallest wavelength?
a)
infrared radiation
b)
ultraviolet rays
c)
visible light
d)
microwaves
34.
Which of the following statements best compares the wavelengths of the regions of the electromagnetic spectrum
a)
microwaves are shorter than xrays
b)
infrared waves are longer than gamma rays
c)
radio waves are shorter than visible light waves
d)
ultraviolet waves are longer than visible light waves
35.
Which of the following devices is designed to produce electromagnetic radiation with the longest wavelength in order to operate?
a)
light bulb
b)
microwave oven
c)
x-ray microscope
d)
FM radio transmitter
36.
Which type of electromagnetic radiation do some insects see or is used in black lights, which allows a chemical to glow in fluorescent lights, also causes skin cancer?
a)
gamma waves
b)
infrared waves
c)
radio waves
d)
ultraviolet waves
37.
When you go to the doctor and an image of your bones is taken, which type of electromagnetic waves is most likely used?
a)
gamma rays
b)
light waves
c)
microwaves
d)
X-rays
38.
Which example best shows acceleration?
a)
a ball rolling down a hill
b)
a car waiting for a green light
c)
wood burning
d)
grass growing
39.
If balls A and B start at the top of the ramp and accelerate at the same rate down the ramp, which one will hit ball X with the most force?
a)
ball A
b)
ball B
c)
All of the balls will have the same amount of force
d)
Not enough info is given
40.
Which of the following is NOT one of Newton's laws of motion?
a)
Velocity equals distance divided by time.
b)
Force equals mass times acceleration.
c)
For every action there is an equal and opposite reaction.
d)
Objects at rest stay at rest and objects in motion stay in motion unless acted on by an outside force.
41.
The list includes six situations. Which objects in the list experience an unbalanced force?
a)
The book, the ball, and the car
b)
The ball, the car, and the bird
c)
The can, the swing, and the bird
d)
The book, the ball, the can, and the swing
42.
A 50 kg skater pushed by a friend accelerates 5 m/s/s. How much force did the friend apply
a)
10 N
b)
0.1 N
c)
250 N
d)
55 N
43.
What is the acceleration of a 50 kg object pushed with a force of 500 newtons?
a)
550 m/s/s
b)
0.1 m/s/s
c)
25,000 m/s/s
d)
10 m/s/s
44.
A bowling ball rolled with a force of 15 N accelerates at a rate of 3 m/sec2. What are the masses of the ball?
a)
5 kg
b)
0.2 kg
c)
245 kg
d)
18 kg
45.
If Tom Brady throws a football 50 meters in 3 seconds, what is the speed of the football?
a)
53 m/s
b)
16.7 m/s
c)
0.06 m/s
d)
150 m/s
46.
If it takes Brandon 3 second to run from the batters box to first base at an speed of 6.5 m/s, what is the distance he covers in that time?
a)
2.17 m
b)
0.46 m
c)
19.5 m
d)
6.5 m
47.
Scott ran 5000 meters from the cops at a speed of 6 m/s before getting caught. How long did he run?
a)
8.33 min
b)
13.88 min
c)
.12 min
d)
6 sec
48.
Which has the greatest average speed?
a)
a boat sailing 80 km in 2 hours
b)
a car driving 90 km in 3 hours
c)
a train traveling 120 km in 3 hours
d)
a truck moving 50 km in 1 hour
49.
Which is a unit of acceleration?
a)
g/m
b)
kg*m/s/s
c)
m/s
d)
m/s/s
50.
Which have the same velocity?
a)
a boy walking east at 2km/h and a man walking east at 4 km/h
b)
a boy standing still and a truck driving in a circle at 4 km/h
c)
a dog walking west at 3 km/h and a cat walking west at 3 km/h
d)
a girl walking west a 3 km/h and a boy walking south at 3 km/h
51.
A car travels 250 km and stops twice along the way. The entire trip takes 5 hrs. What is the average speed of the car?
a)
25 km/h
b)
40 km/h
c)
50 km/h
d)
250 km/h
52.
Which could be described by the expression "100 m/s northwest"
a)
acceleration
b)
distance
c)
speed
d)
velocity
53.
Force is measured in what SI unit
a)
Newtons
b)
Pounds
c)
Mass
d)
Kilograms
54.
When you double your mass, what will happens to the force on your spring scale
a)
remains the same to pull a block
b)
it takes more force to pull a block
c)
it takes less force to pull a block
d)
all of the above
55.
A football is moving upwards after being kicked, which force or forces are acted upon the football
a)
gravity
b)
applied
c)
normal
d)
gravity and applied
56.
You are rock climbing and decide you need to rest, so you just hang in the same position. You are able to stay in place because of
a)
sliding friction
b)
fluid friction
c)
static friction
d)
fluid and static friction
57.
Which type of friction occurs when an eraser is rubbed across a sheet of paper?
a)
static
b)
sliding
c)
rolling
d)
fluid
58.
A student pulled a block 10 cm across the table top and got the following results: What is the Average force of the trials
a)
3.9 N
b)
9.68 N
c)
11.7 N
d)
2.93 N
59.
You push a box to a ramp and let it go. The box starts to slide down, what forces are acting on the box as it hits the level floor and slides to a stop.
a)
applying, friction, gravity
b)
friction, gravity, normal
c)
applying, friction, gravity, normal
d)
applying, friction, gravity, air
60.
The SI system unit for mass would be
a)
meter
b)
liter
c)
gram
d)
density
61.
If you had a block, and wanted to know its mass, what would you use to measure it
a)
meter stick
b)
triple beam balance
c)
graduated cylinder
d)
thermometer
62.
Which of the following is a correct Hypothesis about Mary playing soccer?
a)
Mary hypothesized she would be a soccer player
b)
If Mary practiced kicking then she would make more goals
c)
Mary practiced kicking every day
d)
Mary thought the goal should be bigger to make more points
63.
Testing a drug, group A was given a sugar pill ( the placebo), group B given the drug. Which is the control group
a)
group A
b)
group B
c)
both group A and B
d)
there is not enough information to answer the question
64.
What must be true of a good hypothesis?
a)
it must be correct
b)
it must have a cause and effect
c)
it must involve quantitative data
d)
it must involve qualitative data
65.
Which SI prefix means 1/1000th units
a)
kio-
b)
milli-
c)
centi-
d)
deka-
66.
How many kilograms will you have, if there are 30 grams
a)
0.030 kg
b)
30,000 kg
c)
300 kg
d)
3 kg
67.
A tablecloth that is 155 cm long will cover what size table?
a)
1.6 meter table
b)
15,500 millimeter table
c)
1.5 meter table
d)
all of the measurements will work
68.
Which statement best describes a qualitative observation?
a)
the picture is one meter long
b)
there is a lot of blue in the sky
c)
I think I know this science stuff
d)
all statements are qualitative
69.
Which statement best describes a quantitative observation?
a)
the picture is one meter long
b)
there is a lot of blue in the sky
c)
I think I know this science stuff
d)
none of the statements are quantitative
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