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Motors, Generators, Transformers review

Authored by G McDonald

Science

8th Grade

NGSS covered

Used 19+ times

Motors, Generators, Transformers review
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Generators are devices that convert _____ energy into _____ energy.

chemical; mechanical
mechanical; electrical
electrical; mechanical
potential; kinetic

Tags

NGSS.HS-PS3-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a _______ a spinning turbine moves magnets which generates an electric current.

Motor

Generator

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?  

Electromagnet 
Generator
Electron Magnet 
Motor

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What happens to the strength of an electromagnet as you add more coils around it?

Increases
Decreases
Stays the same
Stops completely

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What can you do to make electromagnets stronger?

Increase number of coils of wire.

Increase number of batteries used.

Both A and B.

Neither A nor B.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is produced by moving a permanent magnet through a coil of copper wire?

electricity

electromagnet

light

sound

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Electric motors are devices that convert _____ energy into  _____ energy.

electrical; mechanical
mechanical; electrical
chemical; potential
mechanical; kinetic

Tags

NGSS.HS-PS3-5

NGSS.HS-PS3-3

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