WorksheetsElectricity and Magnetism
Total questions: 19
Worksheet time: 7mins
opens and closes a circuit?
fabric (cloth)
conductor
insulator
soup can (tin)
insulator
conductor
The energy leaves the negative end of the battery and travels in a circle to the _____________ end of the battery.
positive
negative
A song playing on the radio is an example of
electrical energy changing to light energy
sound energy changing to light energy
electrical energy changing to sound energy
When magnets pull together, it is called
attract
repel
magnet
If the distance between two magnets increases, the force of attraction will get
stronger
weaker
Magnetism can be induced in ____________ or _____________.
glass or plastic
gold or silver
iron or steel
In a closed circuit, electricity ____________ flow.
will
will not
A telegraph is an electric device that allowed ______________ to be shared between operators.
light
keys
communication
If you wanted to test the magnetism of two washers, which of the following statements would lead to a fair investigation?
two washers that are different sizes and different in thickness (two variables)
two washers that are the same size, but different in thickness (one variable)
What are two objects that you could use to detect a magnetic field?
a copper penny and a silver necklace
an iron nail and a compass
aluminum foil and a piece of magnetite
