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WorksheetsElectricity and Magnetism
Total questions: 24
Worksheet time: 12mins
Magnets that can be turned on and off and their strength can be controlled.
magnet
electromagnet
electricity
circuit
Electrons in an atom move from one place to another.
electricity
electromagnet
circuit
magnet
A device that indicates direction where the needle always points north.
battery
compass
electromagnet
GPS
A path that electricity flows along.
circuit
electricity rollercoaster
electromagnet
current
An inexpensive metal used as a conductor in electric circuits.
silver
iron
copper
gold
In a battery, electrons form from the..
positive terminal
negative terminal
neutral terminal
cathode terminal
Most metals make poor conductors.
true
false
Which is an example of a load?
switch
wire
light bulb
battery
The metal of the anode goes through a process called oxidation.
true
false
When electrons flow back to the cathode the process is called...
oxidation
reduction
melting
refraction
A material that allows electrons to move through it easily.
anode
conductor
insulator
magnet
A material that electrons have difficulty flowing through.
conductor
insulator
cathode
electrolyte
The negative end on a battery that is made up of metal that
can give it electrons.
anode
cathode
electrolyte
load
The positive end on a battery that is metal and collects
electrons.
anode
cathode
insulator
electrolyte
The mixture of chemicals in a batter that conducts electricity.
anode
cathode
electrolyte
terminal
How are lamps, TVs, and refrigerators powered?
direct current
alternating current
wandering current
What type of current do solar cells and batteries use?
alternating current
direct current
magnetism
Why isn't static electricity useful?
It hurts.
It is released all at once.
It is too slow.
It only comes from lightening.
Two balloons rubbed against a piece of wool will...
deflate
attract
repel
produce a spark
Why should a circuit have a "switch"?
It let's you add more loads to the wire.
It let's you turn the circuit on and off.
It makes the circuit look cool.
It let's the circuit become a parallel circuit.
How can you strengthen an electromagnet? (more than 1 answer)
use a bigger power source
wrap the wire around the core more times
use a larger core
use less current
A circuit that has more than one path for electricity to flow.
parallel circuit
perpendicular circuit
simple circuit
series circuit
A circuit that has only one path for electricity to flow.
parallel circuit
perpendicular circuit
simple circuit
series circuit
To create a circuit, you need a power source, a switch, ______ and ______.
conductor and load
insulator and battery
load and effort
battery and magnet
