Final Review

Review

by L Tate

Multiple Choice

The fact that energy cannot be created or destroyed is known as what?

• The Law of Thermodynamics
• Newton's 2nd Law of Motion
• The Law of Conservation of Energy
• Hooke's Law

Multiple Choice

A rocket's thrusters fire downward, yet the rocket experiences an upward force. Which law does this demonstrate?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Multiple Choice

If this man was an actual human, would he be doing work by pushing against a giant stone?

• Yes he is doing work because he is applying a force.
• Yes he is doing work because he is moving something
• No, he is not doing work because no force is applied
• No, this is not work because object is not moving

Multiple Choice

Which of the following are the login credentials needed to set up a USA Testprep account?

• lakeside newton77
• shiloh goodall77
• parkview bohr77
• berkmar feynman77

Multiple Choice

A material in which electrons are able to move easily is called

• Insulators
• Conductors

Multiple Choice

What heat transfer process allows noodles to cook in boiling water?

• Conduction
• Convection
• Radiation
• None of these

Multiple Choice

Which on the following is NOT an example of an insulator.

• Rubber
• Glass
• Penny 
• Wood

Multiple Choice

Where should you go to create a USA Testprep account?

• google.com
• usatestprep.com/create-account
• disney.com
• kahoot.com

Multiple Choice

The flow of electric charges is 

• voltage
• current 
• resistance
• electricity 

Multiple Choice

How is work POSSIBLE in this comic drawing? two answers are possible!

• Superman is holding the car steadily up over his head.
• Superman lifted the car from the ground over his head.
• Superman is strong
• Superman continues to press the car against the rock.

Multiple Choice

A closed path that electric current flows is a

• circuit
• series circuit
• parallel circuit

Multiple Choice

What should you do once you have your account?

• Develop a fire TikTok meme
• Go through your unread snaps
• Post some lit fleets
• Join Ms Tate's class

Multiple Choice

Which way do electrons flow?

• Positive to Negative
• Negative to Positive

Multiple Choice

A fireman turns on a hose and is knocked backwards by the water moving forwards. Which law best demonstrates this?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Multiple Choice

What does a resistor do? 

• Reduces the flow of electrons
• Reduce the flow of the current
• Increase flow of electrons
• Decreases the flow of electrons 

Multiple Choice

The part of a longitudinal wave where the particles are spread apart is called a __________________________.

• compression

• crest

• trough

• rarefaction

Multiple Choice

Where do electrons pick up their energy from? 

• Battery
• wire
• Lightbulb

Multiple Choice

______________is a transfer of energy that occurs when a force makes an object move.

• Effort
• Resistance
• Power
• Work

Multiple Choice

Which of the following is not a source of electricity 

• Windmills
• Batteries
• wires
• Hydroelectric dams

Multiple Choice

The wavelength of a transverse wave is the distance between

• two consecutive crests
• a crest and a trough
• the rest position and a crest
• two consecutive compressions

Multiple Choice

What is the unit of measurement for current

• Ohm's
• Amperes
• Volts

Multiple Choice

A toaster transfers heat mostly through what process?

• Conduction
• Convection
• Radiation
• None of these

Multiple Choice

The job of the electron is to ...?

• Control which way the current flows.
• Use electricity in a circuit
• Carry electricity around a circuit

Multiple Choice

The amplitude of a transverse wave is the_________________________.

• distance between the rest position and a crest or trough

• distance between two consecutive crests

• distance between a crest and a trough

• distance between two consecutive troughs

Multiple Choice

What it the formula to find voltage. 

• I= V/R
• R=V/I
• V= I x R 

Multiple Choice

___________________ is how fast energy is being used or produced.

• Effort
• Resistance
• Power
• Work

Multiple Choice

In a parallel circuit with 2 lightbulbs, if you take out one lightbulb what will happen to the rest?

• They will all go out.
• The other one will stay on 

Multiple Choice

The ______ of a wave is the number of crests or compressions that pass by in one second.

• wavelength
• frequency
• amplitude
• compression

Multiple Choice

What kind of circuit does the picture show?

• Series Circuit
• Parallel Circuit

Multiple Choice

It takes more force to move a bowling ball than a baseball. Which law explains the relationship?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Multiple Choice

What kind of picture does the picture show? 

• Closed/Complete
• Open/Incomplete

Multiple Choice

Mechanical waves are produced when _____ is passed through a medium

• electromagnetism
• energy
• light
• pitch

Multiple Choice

What kind of circuit dow the picture show?

• Parallel Circuit
• Series Circuit

Multiple Choice

How do we know that work is being done?

• An object is moved in the opposite direction of a force
• An object is moved in the same direction by a force
• An object does not move when a force is applied
• An object is moving.

Multiple Choice

In an electrical circuit, what does this symbol represent?

• wire
• resistor
• lightbulb
• switch

Multiple Choice

Mechanical waves with high energy have a

• low amplitude
• long wavelength
• high frequency
• high amplitude

Multiple Choice

What kind of circuit does the picture show?

• Series 
• Parallel

Multiple Choice

A curling iron heats hair by what heat transfer process?

• Conduction
• Convection
• Radiation
• None of these

Multiple Choice

What is the unit of measurement for resistance?

• Amperes
• Ohm's
• Volts

Multiple Choice

A sound wave with high amplitude is _______ than a wave with low amplitude

• Louder
• Quieter
• Higher pitched
• Lower pitched

Multiple Choice

What is static electricity?

• the flow of electric charges
• the build-up of an electrical charge on a surface.
• the opposition of current flow. 

Multiple Choice

Adam lifts a 40N bag from the floor to the table. What is the work done if distance =1.1m? W = F*d

• 44 Joules
• 40 Joules
• 392 Joules
• 431 Joules

Multiple Choice

In a series circuit what happens when you add another bulb?

• The bulbs gets brighter

• The bulbs gets dimmer

• Nothing changes

Multiple Choice

A crest is the lowest point in a transverse wave.

• True
• False

Multiple Choice

Voltage difference is related to the force that causes electric charges to flow. 

• True
• False

Multiple Choice

A soccer ball will not move until it is kicked. Which law explains this best?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Multiple Choice

Voltage is measured in __.

• volts.
• watts.
• coulombs. 

Multiple Choice

Compressions in a longitudinal wave are like troughs in a transverse wave

• False
• True

Multiple Choice

Current has units: 

• kilowatt·hour 
• ampere 
• coulomb 
• volt 

Multiple Choice

A student walks the same stairs slowly and then quickly. She requires the same amount of _____

• Power
• Work

Multiple Choice

How many Volts would it take to push 1 Amp through a resistance of 1 Ohm

• 10 volts
• 1 volt
• 48 volts
• 5 volts

Multiple Choice

A wave with a longer wavelength has a higher frequency

• True
• False

Multiple Choice

If the current through a circuit is 2 A and the resistance of a light bulb in the circuit is 10 Ohms, what is the voltage difference across the light bulb?

• 5 V
• 12 V
• 0.2 V
• 20 V

Multiple Choice

Which of the following DOES NOT involve convection currents?

• Storm clouds grow taller
• Earth's continents drift
• A pancake burns on one side
• A Lava Lamp's lava moves

Multiple Choice

What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts

• 15 Ohms
• 4 Ohms
• 0.3333 Ohms
• 2 Ohms

Multiple Choice

A wave that DOES NOT require a medium is a(n)...

• seismic wave
• longitudinal wave
• mechanical wave
• electromagnetic wave

Multiple Choice

Which equation can be used to calculate the resistance R of a resistor?

• V = I / R

• I = V x R

• R = V x I

• V = I x R

Multiple Choice

Which of the following statements is true about work? More than one is true.

• A Watt is the unit for work
• To calculate work, you must know the time required.
• Work is a form of Energy
• An object must move for work to occur

Multiple Choice

What is the current in an electric circuit?

• The energy of the circuit

• The flow of electrons in the circuit

• The power of the circuit

Multiple Choice

Which of the following is NOT part of the EM spectrum?

• radio waves
• seismic waves
• microwaves
• gamma rays

Multiple Choice

What is the voltage in an electric circuit?

• The power of the electrons

• The charge of the electrons

• The energy of the electrons

Multiple Choice

It takes less force to pull an empty wagon than a wagon with someone in it. Which law explains this relationship best?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Multiple Choice

Sound waves travel fastest through what kind of medium?

• liquid
• gas
• solid
• vacuum

Multiple Choice

Which of the following conditions is NOT required in order for work to be done?

• The object must move.
• The force and the movement of must be in the same direction.
• The object must move at constant speed.
• A force must be applied to the object.

Multiple Choice

What part of a longitudinal wave has particles of matter close together?

• wavelength
• trough
• rarefraction
• compression

Multiple Choice

What does Specific Heat tell us about a substance?

• The temperature needed to boil the substance.
• The energy needed to melt the substance.
• The weight change when the substance warms up.
• The energy needed to change the temperature of the substance.

Multiple Choice

When a train whistles while moving TOWARD you, the Doppler effect explains why the pitch is ________.

• raised/higher
• lowered/deeper
• louder
• softer

Multiple Choice

The unit for power is the:

• Newton
• Kilogram
• Joule
• Watt

Multiple Choice

Waves that travel through the vacuum of space from the sun are part of the__________.

• seismic spectrum

• mechanical spectrum

• electromagnetic spectrum

• transverse spectrum

Multiple Choice

An object is pushed with a 50 N force to the right and a 30 N force to the left. Find the net force.

• 50 N to the right
• 30 N to the left
• 20 N to the right
• 80 N to the right

Multiple Choice

The interaction that light has with a mirror is best described as...

• refraction
• constructive interference
• reflection
• diffraction

Multiple Choice

A man climbs 4.0 meters to top of the stairs in 4 sec. What is the power if he weighs 80N? P = Work/Time

• 1280 W
• 80 W
• 5 W
• 320 W

Multiple Choice

Recording studios have acoustic tiles on the walls in order to ___________ sound.

• absorb
• reflect
• refract
• diffract

Multiple Choice

Which of the following units is used for energy?

• Kilograms [kg]
• Joules [J]
• Meters per Second [m/s]
• Newtons [N]

Multiple Choice

This Unit Review will replace a missing ________ grade.

• Home/Classwork
• Quiz
• Test
• All

Multiple Choice

Does the picture show work being done by superman?

• No, because the sled slides easily on the ice
• No, because we don’t know how fast it’s moving
• Yes, a force is being applied in the same direction as motion
• Yes, just because they are moving

Multiple Choice

This Unit Review will NOT replace a missing ________ grade.

• Homework
• Classwork
• Quiz or Test
• All

Multiple Choice

An airplane exerts 5000 N of thrust forwards and has 2000 N of air resistance (friction). What is the net force?

• 5000 N forwards
• 2000 N backwards
• 7000 N forwards
• 3000 N forwards

Multiple Choice

If Work = Force * distance, what equation would you use if you needed to solve for Force?

• W=FX d
• W= F/d
• F=W/d
• F= d/W

Multiple Choice

What type of heat transfer takes place between the sun and the earth?

• Conduction
• Convection
• Radiation
• None of these

Multiple Choice

If you are asked to solve for power, which variables will give you what you need? 2 are correct

• Force, Distance, Work
• Force, Time
• Work, Force
• Work, Time

Multiple Choice

Forces of friction always _________ the direction of motion.

• Oppose
• Change
• Match
• Are perpendicular to

Multiple Choice

A girl pushes a crate 5 m across the floor with 20 N of force. It takes 4 seconds. What was her power? P = Work / Time

• 100 Watts
• 25 Watts
• 20 Watts
• 80 Watts

Multiple Choice

Light energy from the sun is converted into ________ energy by photosynthesis.

• Mechanical
• Nuclear
• Chemical
• Thermal

Multiple Choice

This Unit Review will replace a missing ________ grade.

• Home/Classwork
• Quiz
• Test
• All

Multiple Choice

How much net force is needed to accelerate a 25 kg bicycle at 3 m/s2? F = m*a

• 22 N
• 28 N
• 50 N
• 75 N

Multiple Choice

This Unit Review will NOT replace a missing ________ grade.

• Homework
• Classwork
• Quiz or Test
• All

Multiple Choice

"Waste heat" is generated during many energy transformations. This heat takes the form of ______ energy.

• Mechanical
• Nuclear
• Chemical
• Thermal

Multiple Choice

50 N of force acts on a 10 kg object. What will the acceleration be? F = m*a

• 500 m/s2
• 50 m/s2
• 5 m/s2
• 0.2 m/s2

Multiple Choice

Large bodies of water tend to stabilize nearby temperatures. Why is this?

• Water has a high specific heat and does not change temperature easily
• Water has a low specific heat and does not change temperature easily
• Water radiates thermal energy because it has a shiny surface
• Water converts chemical energy into thermal energy using convection

Multiple Choice

A soccer player runs 20 m in 5 s. What is the magnitude of velocity (speed)? v = d/t

• 4 m/s
• 5 m/s
• 4 mph
• 5 mph

Multiple Choice

What is the original source of the energy that your body gets from the food that you eat?

• The sun's light energy
• Water's chemical energy
• The earth's geothermal energy
• The moon's gravitational energy

Multiple Choice

A car is travelling at 25 m/s. How much time does it require to travel 100 m? v = d/t

• 25 s
• 4 s
• 100 s
• 75 s

Multiple Choice

Which form of heat transfer requires a fluid (which can be either a gas or a liquid)?

• Conduction
• Convection
• Radiation
• None of these

Multiple Choice

You yank a tablecloth from rest to 5 m/s in a time of 0.5 seconds. Find the acceleration. a = (vf - vi)/t

• 2.5 m/s2
• 5 m/s2
• 0 m/s2
• 10 m/s2

Multiple Choice

Which of the following is NOT a source of chemical energy?

• AA battery
• PB&J Sandwich
• Pot of boiling water
• Firewood

Multiple Choice

Which of the following is NOT a way to accelerate?

• Speed up
• Slow down
• Turn a corner at constant speed
• Drive straight at constant speed

Multiple Choice

A refrigerator removes thermal energy from food using convection. Where does the energy go?

• Into the air outside the fridge
• Nowhere; the energy is destroyed
• Into the electrical wires
• Into the freezer

Multiple Choice

What happens to acceleration when the mass remains constant but the force is increased?

• Acceleration increases
• Acceleration decreases
• There is no change to acceleration
• There is no way to know

Multiple Choice

This Unit Review will replace a missing ________ grade.

• Home/Classwork
• Quiz
• Test
• All

Multiple Choice

Which of the following statements is FALSE?

• The object is at rest at one point
• The object changes direction
• The object starts off moving at a constant speed
• The object experiences acceleration

Multiple Choice

This Unit Review will NOT replace a missing ________ grade.

• Homework
• Classwork
• Quiz or Test
• All

Multiple Choice

Which of these is the dependent variable?

• Distance
• Time

Multiple Choice

Which of the following is the correct value for the acceleration due to gravity on Earth?

• It depends on the mass
• 1.6 m/s2
• 3.7 m/s2
• 9.8 m/s2

Multiple Choice

What unit should weights be reported in?

• newtons [N]
• kilograms [kg]
• meters per second [m/s]
• meters per second squared [m/s2]

Multiple Choice

What is the weight of a 50 kg person on Earth, where g = 9.8 m/s2? W = m*g

• 5.1 N
• 490 N
• 50 N
• 59.8 N

Multiple Choice

A desk weighs 98 N. What is its mass, assuming it is on Earth where g = 9.8 m/s2? W = m*g

• 98 kg
• 98 N
• 10 kg
• 10 N

Multiple Choice

This Unit Review will replace a missing ________ grade.

• Home/Classwork
• Quiz
• Test
• All

Multiple Choice

This Unit Review will NOT replace a missing ________ grade.

• Homework
• Classwork
• Quiz or Test
• All

Multiple Choice

Which runner stopped for a rest?

• Albert
• Bob
• Charlie

Multiple Choice

Which runner won the race?

• Albert
• Bob
• Charlie

Multiple Choice

What does this graph represent?

• Constant Speed
• Acceleration
• Not moving

Multiple Choice

Susie went to the store, when she got there she realized that she forgot her wallet and returned home.

Which graph matches this motion?

Multiple Choice

Which person moved the fastest in 3 seconds?

• biker

• runner

• walker

• they are all moving equally

Multiple Choice

Which graph represents the greatest acceleration?

• A
• B
• C
• D

Multiple Choice

Which graph represents zero acceleration (constant velocity)?

• A
• B
• C
• D

Multiple Choice

Match the description to the graph:

"The car is slowing down/decelerating."