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WorksheetsPhysical Science S1 2019
Total questions: 50
Worksheet time: 25mins
What do you call one repetition of an experiment?
Distance
Trial
Force
Newton's Second Law
What is a push or a pull that acts on an object?
Distance
Trial
Force
Newton's Second Law
What is the ratio of the distance an object moves to the amount of time?
Speed
Time
Force
Motion
What is the amount of matter in an object?
Acceleration
Speed
Element
Mass
What is the measurable period of an action, process or condition?
Time
Matter
Newton's Second Law
Acceleration
What is the length of the path between two points?
Distance
Time
Matter
Newton's Second Law
What is the rate at which velocity changes?
Time
Matter
Newton's Second Law
Acceleration
What is the net force acting on an object is equal to the object's mass multiplied by its acceleration?
Time
Matter
Newton's Second Law
Acceleration
What is the speed of an object with a given direction?
Force
Time
Velocity
Matter
What combination of characteristics will make the best balloon race car?
Heavy frame, smooth wheels, big straw
Light frame, wheels that slide, small straw
Light frame, smooth wheels, big straw
Heavy frame, wheels that slide, small straw
A mechanical wave must have matter to transport its energy from one place to another, this material is referred to as a _________________ ?
Medium
Large
XXL
Diffraction grating
This picture best shows what about waves?
X-rays move faster than gamma rays
Radio waves carry the most energy of the waves shown
The visible light spectrum has greater amplitude than UV rays
Gamma rays have the shortest wavelength and highest frequency
What type of wave is pictured in the diagram “A”?
Convection or radiation
Compression or longitudinal
Transverse
Expansion and contraction
In the wave diagram “B” above, what type of wave is shown?
Convection or radiation
Compression or longitudinal
Transverse
Expansion and contraction
Since sound travels fastest in material where molecules are densely packed, in which medium will sound travel the fastest?
Air
Water
Steel
Pudding
You may shatter a glass with your voice if you do what?
Match the resonant frequency of the glass with your voice
Are really loud
Change the frequency of your voice repeatedly to get the glass walls moving
Do nothing, its a myth. You can't break glass with your voice.
The pencil in the beaker of water appears to be broken because of why?
It is a broken pencil
Light is refracted because water molecules change the path
Water has a higher specific heat than air
The top of the pencil is reflected into the water below
Mechanical waves generally _______ in a solid medium.
Slow down in a solid medium
Keep increasing over time
Move the medium to the endpoint of the waves destination
Leave the material in the medium in the same place after the wave process
Which type of mechanical wave needs a source of energy to produce it?
Sound wave
Transverse Waves
Longitudinal waves
All mechanical waves need a source of energy
A disturbance sends ripples across the water in a bathtub. These are examples of what type of waves?
Compression waves
Surface waves
Longitudinal waves
Rarefraction
What is the frequency of the wave shown in figure 17-1?
1 hertz
2 hertz
5 m/s
0.5 seconds
The length of time it takes for one complete wavelength to pass a fixed point.
One crest to pass a fixed point
One period
Two troughs to pass a fixed point
A disturbance to start a wave
To determine the speed of a wave, you would use which of these formulas?
Speed = wavelength x amplitude
Speed = frequency x amplitude
Speed = frequency x wavelength
Speed = wavelength x period
A wave has a wavelength of 100 meters and a frequency of 5 hertz. What is its speed? V=fƛ
100 Hertz
500 m/s
20 m/s
250 meters
If you have two tuning forks, which one has a lower pitch or tone?
The source with the highest frequency
The source with the lowest frequency
Frequency doesn't affect pitch
The source with the highest amplitude
How is amplitude related to sound?
The speed of the wave
Loudness of the wave
The Frequency of a wave
The medium where you find the wave
How does reflection differ from diffraction?
Only reflection changes the wave
With reflection the wave no longer moves forward
Diffraction bounces the wave back
Reflection increases the wave speed
As wavelength decreases, frequency does what?
Stays the same
Decreases
Increases
Doubles
What type of interference happens when two waves combine and the temporarily combined wave is smaller than the original waves?
There is constructive interference
There is destructive interference
The waves reflect
The wave speed increases
The formation of a standing wave requires what?
Waves traveling over long distances
Greatly differing frequencies
Interference between waves
Refraction, then diffraction of a wave
What is produced when an electrical charge is in motion?
Parallel circuit
Magnetic Field
Electron Field
Power
Current (Amps) multiplied by Resistance (Ohms) is equal to what?
Watts
Ohms
Voltage
Field Size
What flows from Positive to Negative?
Electron Flow
Repel
Insulator
Current Flow
Current is the same throughout with one path in what type of circuit?
Electron Cloud
Parallel Circuit
Magnetic Field
Series Circuit
What do we call material that easily carries a current?
Conductor
Insulator
Power
At the poles
How does an object gain a static charge?
Attract
Electrical energy converted to thermal energy
An imbalance of electrons
Parallel circuits
Current (Amps) multiplied by Voltage (Volts) is equal to what?
Field size
Power
Repel
Parallel Circuit
What flows from Negative to Positive?
Power
Electron flow
Series circuit
Conductor
Same Magnetic Poles do what?
Current flow
Attract
Repel
Insulator
What do we call material that does NOT carry a current?
Magnetic Field
Repel
Insulator
Conductor
Voltage is the same throughout with multiple paths in what type of circuit?
Parallel circuit
Attract
Series circuit
Repel
Where is the magnetic field the strongest in a magnet?
In the middle
An Imbalance of electrons
Current flow
At the poles
Why does a conductor get warm as electricity flows through it?
Electrical energy converted to thermal energy
An imbalance of electrons
Power
At the poles
What flows from North to South?
Series circuit
Magnetic flow
Attract
Current flow
Opposite Magnetic Poles do what?
Attract
Conductor
An imbalance of electrons
Repel
If you cut a magnet in half, what will you have?
Two half magnets, each with only one pole
One magnet and one non-magnet metal bar
Two magnets, each with a north and south
No magnets, you broke their domains
Look at the diagram of a parallel circuit. What will happen to the other two bulbs if the middle bulb is pulled out?
The other two bulbs will stay on
The other two bulbs will stop working
The battery will catch on fire
Current stays the same and the other two are dimmer
Look at the diagram of a series circuit. What will happen to the other two bulbs if the middle bulb is pulled out?
The other two bulbs will stay on
The other two bulbs will stop working
The battery will catch on fire
Voltage stays the same and the other two are brighter
A student placed two horseshoe magnets near each other on a table with the SAME poles facing each other. What will happen?
One side of the magnet will repel and the other side will attract
The two magnets will repel and push apart
The two magnets will attract and stick together
The force will be cancelled between the magnets
A student made a simple circuit and there was a compass sitting nearby. When the student connected the wires to the battery and powered the circuit, the compass needle moved. Why?
Electricity was flowing through the wire and shocked the compass
Electron force was flowing from the battery and reached out to the compass
The energy flowing through the wire caused the compass to feel vibrations
Magnetic field was created when electricity flowed and the compass reacted to it
