# Physical Science Review

## Quiz by Jennifer Lynn

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34 questions
• Q1
Which statement best describes a relationship between electricity and magnetism?
Changing magnetic fields can create electric currents.
Electric currents can demagnetize permanent magnets.
Electric currents weaken magnetic fields.
There can be no magnetic fields without electric currents.
120s
• Q2
Which action will have the least effect on the strength of an electromagnet?
changing the size of the metal core
changing the current’s direction
changing the number of wire loops
changing the amount of current
120s
• Q3
In a vacuum, radio waves, visible light and x-rays all have the same
frequency
energy
wavelength
speed
120s
• Q4
Which is not true of mechanical waves?
moves in the form of waves
moves around corners
does not require matter to carry energy
uses matter to transfer energy
120s
• Q5
According to the chart, which medium cannot transmit sounds?
Water
Vacuum
Stone
Air
120s
• Q6
The picture shows what a straight pipe looks like in a container of water when viewed from the side. What is happening as light travels from the water into the air?
Reflection
Absorption
Diffraction
Refraction
120s
• Q7
Which of the following is a difference between electromagnetic waves and mechanical waves?
Electromagnetic waves transmit energy, and mechanical waves transmit information
Electromagnetic waves can travel through a vacuum and mechanical waves require a medium
Electromagnetic waves have only low frequencies and mechanical waves have only high frequencies
Electromagnetic waves are always longitudinal and mechanical waves are always transverse
120s
• Q8
To accelerate a 6 kg mass at 2 m/s2 requires a net force of________.
12 N
0.33 N
6 N
3 N
120s
• Q9
Which of the following classifies wave X and Y?
Both waves are transverse.
Wave X is transverse and wave Y is longitudinal.
Both waves are longitudinal.
Wave X is longitudinal and wave Y is transverse.
120s
• Q10
A falling object is said to reach terminal speed (velocity)….
when it lands on the ground.
when air resistance equals the force of gravity on it.
when no air resistance is acting on it.
when there is no gravitational force acting on it.
120s
• Q11
A positively charged ball is placed an equal distance between two objects (1 and 2). In which case will the positively charged object move toward object 2?
120s
• Q12
Both light bulbs are lit in the circuit above. In order to turn off both lights, a switch must be installed in the circuit at the place marked _________.
2
1
4
3
120s
• Q13
In the figure above, in order to turn on the light, a piece of wire needs to be connected from ___.
C to D
B to C
A to C
A to D
120s
• Q14
Which of the following is shown in the above diagram?
Alternating current
Short circuit
Series circuit
Parallel circuit
120s
• Q15
The following is an example of static electricity:
A light switch that is turned on runs a ceiling fan.
A dry-cell battery is connected to wires light up a light bulb.
A balloon sticks to a wall after it is rubbed with a piece of wool.
A magnet sticks to a refrigerator door made of metal.
120s

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