
GSE Grade 8 Physical Science - S8P5 Diagnostic Forces in Nature
Quiz by GADOE
Grade 8
Science
Georgia Standards of Excellence
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10 questions
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- Q1How can we increase the strength of the magnetic field of an electromagnet?put more paper clips to pick upexpose to more lightclip on the alligator clipsadd more copper wire to coil30sS8P5c
- Q2Which of the following is most likely an advantage of an electromagnet over a permanent magnet in an industrial application?An electromagnet is able to transform electrical energy energy into mechanical energyAn electromagnet is able to detect and measure a small electric currentAn electromagnet can easily be de-magnetized by cutting off the currentAn electromagnet is more durable and resistant to industrial processes30sS8P5c
- Q3Where can electric motors get their source of electricity?from the wires coming from the wall of a housethe electromagnet is connected to a battery or other source of electric currentfrom a gasoline motor30sS8P5c
- Q4The gravitational force between two objects is most affected by theirmotion and distance apartmass and volumemass and distance apartmotion and volume30sS8P5a
- Q5What is the name of the the region of space around a magnet where a magnetic material will experience a force?magnetic shieldelectric fieldforce fieldmagnetic field30sS8P5a
- Q6The diagram represents an electric field . The field is strongest at which point?BDAC30sS8P5a
- Q7Why is electrical wiring usually covered with a layer of plastic or rubber?To make is safe to handle without getting electrocuted or shocked or causing a fire.To help electricity flow along the wire.To make it look pretty.30sS8P5b
- Q8What is the opposition to the flow of current in a conductor?resistancepowerpotential difference30sS8P5b
- Q9Which statement about the magnetic force of a current carrying wire is FALSE?It includes forces of attraction and repulsionIt is exerted over a distance.It acts only on materials that are touching a magnet.It affects only certain types of matter.30sS8P5a
- Q10What is referred to as the process of inducing a current in a changing magnetic field?MagnetismElectromagnetismMagnetic fieldElectromagnetic Induction30sS8P5a