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WorksheetsElectricity and Magnetism Test Review
Total questions: 38
Worksheet time: 36mins
Which of these will repel each other?
Negatively charged balloon and positively charged sphere.
Negatively charged balloon and neutral sphere.
Negatively charged balloon and negatively charged sphere.
Negatively charged balloon and neutral wall.
true
What is the major difference between static electricity and current electricity?
Current electricity involves a continuous flow of elecrons; static electricity is a sudden transfer of protons
Current electricity can be deadly; static electricity is almost always safe
In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons
Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons
What happens when you touch a metal doorknob after rubbing your shoes on the carpet?
The doorknob sends a burst of electric current into your body
Millions of electrons go from your finger into the doorknob
The doorknob sends millions of electrons into your finger
Your finger becomes negatively charged
WHERE is the strongest attraction force of the magnet?
at the poles
in the middle
above the magnet
below the magnet
Which object would a magnet attract?
a glass bottle
a piece of paper
a steel paper clip
a rubber eraser
True or False: An electromagnet can be switched off.
True
False
Which makes an electromagnet work?
needle
electricity
pin
thumbtacks
Electromagnets do NOT have a north and south pole.
True
False
What are the components of the electromagnets?
battery, wire and bulb
battery , copper wire and paper clips
battery, copper wire and iron nail
battery, wire and aluminum
