Share Electricity Grade 4
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A cell is the same thing as _________________
One battery
Do electrons flow from the negative side or from the positive side of the cell?
negative side
What 3 things do you need to make a circuit?
conductor (wire), power source (cell, batteries) , electrical device (light
How many connections are needed on the light bulb to make an electric circuit?
two
Electricity is the flow of __________________
electrons
Atoms are made of protons, neutrons and ____________________.
electrons
Electrons have a ___________________ charge. (negative or positive)
negative
Our homes are wired in ________circuits (series or parallel).
parallel
What does a switch do in an electrical circuit?
Stop or start the flow of electrons; control the flow of electrons.
Wood is a conductor (true or false).
False
Insulators allow the electrons to flow through and make electricity (true or false).
False
Iron is an insulator (true or false)
False
An example of an insulator is ______________.
plastic, wood, styrofoam etc.
An example of a conductor is ________________.
Paper clips, things made out of metal etc.
The cord in the classroom is wrapped with a conductor on the outside (true or false).
false
