WorksheetsBenchmark Winter Review 2022
Total questions: 189
Worksheet time: 3hrs 36mins
What would you be measuring if you had the object's speed and direction
momentum
velocity
force
weight
What factor will slow down an object moving through space?
air resistance
friction
another object
gravity
What is the change in velocity divided by time?
momentum
force
speed
acceleration
Charged particles exibit what kind of force?
contact force
electromagnetic force
gravitational force
frictional force
The force of gravity is dependent on an object's ________.
mass
volume
temperature
speed
Newton's second law states that greater the mass the more _________ will be needed to move the object.
power
force
distance
speed
force equals mass times .......
speed
acceleration
velocity
momentum
If you multiple velocity by mass you will get the object's .....
acceleration
force
speed
momentum
If a speed boat is traveling at a constant rate and hits a large wave, how would the boat respond?
It would keep going straight
it would go backward a bit
It would go forward a bit
It would stop
If I threw a rock in space what force would be acting against it?
gravity
friction
electromagnetism
nothing
Which car has a constant velocity?
What was the average speed of the helicopter during the trip?
The motion of atoms or molecules within a substance
temperature
thermal energy
kinetic energy
solid
The average kinetic energy of the atomes or molecules within a substance.
thermal energy
kinetic energy
temperature
gas
energy of motion
thermal energy
sondensation
water vapor
kinetic enetgy
matter in which atoms are closely spaced and vibrate in a fixed position.
solid
liquid
gas
water vapor
Matter in which atoms are constantly moving around and bumping into each other.
mass
gas
liquid
solid
Matter in which atoms vibrate so much that they are far apart.
liquid
solid
gas
thermal energy
Water in gas form
water vapor
solid
kinetic energy
heat
The process when matter loses thermal energy and changes from a gas to a liquid.
thermal energy
kinetic energy
temperature
condensation
The transfer of thermal energy from a hotter area to a colder area.
liquid
heat
kinetic energy
water vapor
A process that creates new substances from existing substances and can absorb or release thermal energy
chemical reaction
thermal energy
temperature
kinetic energy
At which point is potential energy greatest?
W
X
Y
Z
An object falling from 50m will have ___________ potential than an object falling from
30m.
greater
less
equal
A diver just before she dives off the 30m platform.
potential energy
kinetic energy
A bobsled is moving at its fastest speed around the final
turn.
potential energy
kinetic energy
A baseball just before being released by the pitcher.
potential energy
kinetic energy
A golf ball as it gains height after being hit by the driver.
potential energy
kinetic energy
A swimmer in the middle of a 50 m race.
potential energy
kinetic energy
A girl sliding down a slide
Kinetic Energy
Potential Energy
Dominos stand up on the floor
Potential Energy
Kinetic Energy
According to the picture, how would the gravitational potential energy of the car change if its weight was doubled?
The gravitational potential energy would be doubled
The gravitational potential energy would stay the same
The gravitational potential energy would be cut in half
The gravitational potential energy would be increased by 750
This is an example of what type of energy?
Kinetic
Potential
Electric
Thermal
The region in which a magnetic force acts is called a
line of force
pole
magnetic field
field of attractio
An example of a ferromagnetic material is
copper
wood
cheese
nickel
A coiled current carrying wire is called
an electromagnet
a solenoid
a compass
a ferromagnet
Unlike poles of different magnets
attract each other
cancel each other out
repel each other
Electromagnets can be
turned on and off
made stronger
made from iron
made weaker
The magnetosphere
surrounds the Earth
Surrounds the sun
is shaped by the solar wind (charged particles from the sun)
doesn't exist
The magnetic field is strongest
at the poles
in the middle
at the north pole
at the south pole
THe north end of a compass needle always points to
our geographic north pole
our geographic south pole
our magnetic north pole
our magnetic south pole
Earth acts like a magnet because its core contains
molton carbon
solid nickel and iron
rocks
molten nickel and iron
Which of the following would be an example of an insulator?
iron
aluminum
rubber
silver
The rule of charged particles states that
opposites attract
opposites repel
opposites don't interact
likes attract
These are responsible for the flow of electricity
protons
electrons
neutrons
wires
Conduction is the transfer of electric charges by
interaction of electric fields
direct contact
rubbing
jumping
If the magnets above were brought close together they would…
attract each other with a a strong force
repel each other with a strong force
attract each other with a weak force
repel each other with a weak force
An example of static discharge would be
using a compass
an elecromagnet
a lightning bolt
rain
Which position of the two magnets results in the greatest attraction between them?
A
B
C
D
Current is the flow of these through a wire
electrons
protons
neutrons
Charging by rubbing is called
friction
induction
conduction
polarization
Current, or the flow of charge through a wire is measured in
volts
amps
Joules
Newtons
Induction is the charging of an object through
direct contact
rubbing
interaction of electric fields
pugging it in
What two forces are required for generators and electric motors to work?
magnetism and thermal
electricity and thermal
electricity and magnetism
magnetism and radiant
Electricity is produced by using steam to _____________.
What would happen if you broke a bar magnet into 8 pieces?
You would have 8 half magnets
You would have 4 complete magnets
You would have 8 complete magnets
They wouldn't be magnets anymore
A transformer actually transforms
voltage
magnetic field lines
generators into motors
A device that transforms mechanical energy to electrical energy is a
generator
motor
transformer
magnet
A device that transforms electrical energy to mechanical energy is a
generator
motor
transformer
magnet
Why did this simple electric motor work?
The current from the battery induces a magnetic field in the copper loop, turning it into an electromagnet that repels from/attracts to the permanent magnet
The electromagnet on top of the battery pulls on the magnetic copper wire
The magnet induces a current in the copper loop which makes it rotate.
The magnetic field from the battery induces an electric current in the copper loop, turning it into an electromagnet that repels from/attracts to the permanent magnet
How are electromagnets different from permanent magnets?
magnets can be turned on/off
you can turn an electromagnet on/off
magnets are more powerful
magnets have a North and South pole
An ideal transformer has 12 V input voltage with 10 turns on the primary (input) coil, and 100 turns on the secondary coil has. What is the secondary voltage?
0.12 V
1.20 V
12.0 V
120.0 V
Which type of waves must have a medium in order to travel?
electromagnetic wave
mechanical wave
Mechanical waves usually travel fastest through:
solids
liquids
gases
Mechanical waves usually travels fastest as the temperature of the medium:
increases
decreases
stays the same
What type of wave is this?
Electromagnetic
Mechancial
Both Electromagnetic and Mechanical
What type of wave is this?
Electromagnetic
Mechanical
Both Electromagnetic and Mechanical
True or False: Sound needs a medium.
True
False
True or False: Sound waves are faster than light.
False
True
Sound waves travel the fastest through ---
Liquids
Gases
Solids
Which of the following does sound travel the fastest?
solid
liquid
gas
plasma
What is the lowest point of a wave?
trough
crescent
medium
What unit is used to measure frequency?
centimeters (cm)
meters (m)
hertz (Hz)
miles per hour
What is a wave?
A disturbance that transfers matter from place to place.
A disturbance that transfers energy but not matter.
The number of waves that pass a fixed point in a given amount of time is...
frequency
wave speed
amplitude
wavelength
Which letter(s) represent the wavelength?
A & B
B & D
B & F
C & E
What is amplitude?
The distance from the center line ( or the still position) of a waveto the top of a crest or to the bottom of a trough.
The number of waves passing a point in a certain time.
Which of the following has the greatest effect on the speed at which sound travels through a gas?
frequency
amplitude
proximity of subatomic particles
A doorbell circuit converts electrical energy into mechanical energy. The mechanical energy is in the form of vibrations that ultimately produce
EM waves
Sound waves
Thermal Energy
Which wave has the longest wavelength.
1
2
3
4
Which type of energy requires no matter to travel?
Earth Quake
Sound
EM waves
Which of the following is true for sound waves?
They require a medium.
They are unrelated to vibrations.
They cannot travel through liquids
They can travel in a vacuum
How do electromagnetic and mechanical waves compare?
Mechanical waves can only travel through a vacuum, but electromagnetic waves can travel through a solid, liquid, or gas.
Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a gas.
Mechanical waves can only travel through a solid, liquid, or gas, but electromagnetic waves can travel through a vacuum.
Mechanical waves can travel through a solid, liquid, or gas, but electromagnetic waves can only travel through a solid.
Which of the following would EM waves moves the FASTEST through?
solid
liquid
gas
Which of the following would EM waves moves the FASTEST through?
gold
water
air
How do MECHANICAL waves travel?
they transfer energy through particles that are touching each other
they transfer energy between electric & magnetic fields
they increase their amplitude to make waves travel faster
they increase their frequency to make waves travel faster
How do ELECTROMAGNETIC waves travel?
they transfer energy through particles that are touching each other
they transfer energy between electric & magnetic fields
they increase their amplitude to make waves travel faster
they increase their frequency to make waves travel faster
What happens to the speed of a wave when it moves
from a gas to a solid?
it speeds up
it slows down
it stays at the same speed
