Physical Science Review
Quiz by Jennifer Lynn
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34 questions
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- Q1Which 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
- Q2Which action will have the least effect on the strength of an electromagnet?changing the size of the metal corechanging the current’s directionchanging the number of wire loopschanging the amount of current120s
- Q3In a vacuum, radio waves, visible light and x-rays all have the samefrequencyenergywavelengthspeed120s
- Q4Which is not true of mechanical waves?moves in the form of wavesmoves around cornersdoes not require matter to carry energyuses matter to transfer energy120s
- Q5According to the chart, which medium cannot transmit sounds?WaterVacuumStoneAir120s
- Q6The 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?ReflectionAbsorptionDiffractionRefraction120s
- Q7Which of the following is a difference between electromagnetic waves and mechanical waves?Electromagnetic waves transmit energy, and mechanical waves transmit informationElectromagnetic waves can travel through a vacuum and mechanical waves require a mediumElectromagnetic waves have only low frequencies and mechanical waves have only high frequenciesElectromagnetic waves are always longitudinal and mechanical waves are always transverse120s
- Q8To accelerate a 6 kg mass at 2 m/s2 requires a net force of________.12 N0.33 N6 N3 N120s
- Q9Which 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
- Q10A 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
- Q11A 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?Answer AAnswer BAnswer CAnswer D120s
- Q12Both 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 _________.2143120s
- Q13In the figure above, in order to turn on the light, a piece of wire needs to be connected from ___.C to DB to CA to CA to D120s
- Q14Which of the following is shown in the above diagram?Alternating currentShort circuitSeries circuitParallel circuit120s
- Q15The 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