Cool Q's
A battery is an example of a...
a) electric cell
b) resistor
c) magnet
d) static electricity
a) electric cell
Electricity is the flow of _________.
a) protons
b) neutrons
c) electrons
c) electrons
What is a circuit?
a) a constant flow of electricity
b) a path that a current can flow along
b) a path that a current can flow along
How many paths does a series circuit have?
a) 3
b) 1
c) 2
d) 4
b) 1
When one light goes out, they all go out.
a) series circuit
b) parallel circuit
c) closed circuit
d) open circuit
a) series circuit
A conductor is?
a) material that current can pass through easily
b) magnet
c) material that current cannot pass through easily
d) electric current
a) material that current can pass through easily
A 'open circuit' allows charges to flow.
TRUE or FALSE
FALSE
How many types of circuits are there?
a) 1
b) 2
c) 3
d) 4
b) 2
The voltage stays the same in a series circuit?
TRUE or FALSE
TRUE
This circuit has more than one loop. When one light goes out, the others stay on. This is a _____
a) closed circuit
b) parallel circuit
c) series circuit
d) open circuit
b) parallel circuit
An insulator is?
a) material that current can pass through easily
b) magnet
c) material that current cannot pass through easily
d) static electricity
c) material that current cannot pass through easily
Metals such as copper, iron, gold and silver are ......
a) conductors
b) brittle
c) insulators
d) resistors
a) conductors
Making a bell ring with the push of a button.
This circuit is designed to change electrical energy into what other type of energy?
a) chemical
b) light
c) heat
d) sound
d) sound
What is a parallel circuit?
a) it is a circuit that has one path for energy to flow
b) it is a circuit that has no paths for energy to flow
c) it is a circuit that has several paths for energy to flow
d) none of the above
c) it is a circuit that has several paths for energy to flow
If a circuit is incomplete, or broken - it is an _______circuit.
a) series
b) bad
c) closed
d) open
d) open
A series circuit is..?
a) a circuit withmore than one path for current to travel
b) has magnets to help current to travel
c) a circuit that has only one path for the current to travel
d) does not allow electric current to travel through it
c) a circuit that has only one path for the current to travel
What is a current?
a) a constant flow of electricity
b) a path that a current can flow along
a) a constant flow of electricty
What is a switch's function in a circuit?
a) to make the current hotter or colder
b) the pathway that current flows
c) to add more power to the circuit
d) turn on and off the flow of current
d) turn on and off the flow of current
The voltage does not stay the same in a parallel circuit.
TRUE or FALSE
FALSE
This is needed in a circuit to start the electrons moving.
a) power source
b) battery
c) switch
d) wire
a) power source
A flow of electricity through a conductor is
a) electricity
b) circuit
c) grounding
d) electric current
d) electric current
A _______ opens and closes a circuit.
a) power source
b) conductor
c) switch
d) output device
c) switch
What are the 3 basic components of a circuit?
a) energy source, load (ie. light globe), energy pathway
b) battery, energy source, energy pathway
c) battery, wire, energy pathway
d) All of them
a) energy source, load (ie. light globe), energy pathway
Does a break in one branch affect another branch in a parallel circuit?
a) yes
b) no
c) sometimes
b) no
The unit used to measure electric resistance.
a) amps
b) volt
c) ohms
d) joule
c) ohms