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Worksheetshow do electric charges flow in circuit-Gr4
Total questions: 55
Worksheet time: 29mins
An electric current is an electric charge in motion
true
false
An electric current flows slowly and visibly
true
false
are materials through which electric charges move easily.
conductors
insulator
is a material through which an electric charge moves with difficulty
conductor
insulator
conductor
insulator
conductor
insulator
conductor
insulator
Why electrical wiring usually are covered with a layer of plastic?
To make it look pretty
To help electricity flow along the wire
To make it safe
To add more energy
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulate electricity
Circuit with no gap or breaks
Which two pictures show static electricity? Choose 2.
A _____________ is a path that is made of parts that work together to allow current to flow.
Static electricity
Circuit
Insulator
What kind of circuit is this?
Open Circuit
On Circuit
Closed Circuit
Off Circuit
What kind of circuit is this?
Open Circuit
On Circuit
Closed Circuit
Off Circuit
Why would an electric current not be able to flow in a series circuit?
there is a resistor
there is a break in the circuit
the switch is on
there is a wire
In a flashlight, the battery is the
resistor, converting electricity into light energy.
insulator, allowing the flashlight to be handled safely.
conductor, carrying charges from the battery to the light bulb.
switch, opening and closing the circuit.
energy source, providing the energy for the flashlight to generate light.
Which of the materials would be a good conductor?
an eraser
a rock
glass
gold
What happens in a parallel circuit if one of the loops is broken?
electricity will stop flowing through all of the loops
electricity continue flowing through the unbroken loops
electricity will still flow through the broken loop
the energy source will stop providing energy
What is one use of an insulator?
It makes electrically charged objects safe to handle.
It slows down the flow of electric current to produce heat and light.
It stores electric energy for later.
It allows electric current to flow through it.
In a flashlight, the light bulb is the
resistor, converting electricity into light energy.
insulator, allowing the flashlight to be handled without an electric shock.
conductor, carrying charges from the battery to the light bulb.
switch, opening and closing the circuit.
energy source, providing the energy for the flashlight to generate light.
On a flashlight, the on/off button is the
resistor, converting electricity into light energy.
insulator, allowing the flashlight to be handled without an electric shock.
conductor, carrying charges from the battery to the light bulb.
switch, opening and closing the circuit.
energy source, providing the energy for the flashlight to generate light.
Atom has different charged particles they are ................................
no charge only
negative charges only
positive charges only
positive, negative and no charge particles
Atoms usually have the ............. number of positive(+) and negative(-) particles.
same
different
Static electricity happens when positive and negative charges .......................
balanced
no longer balance
................. an electric charge in motion.
Electric current
static
........................ are the tiny building blocks of everything.
element
Atom
electrons
ball
Gold
Copper
Glass
paperclip
rubber boots
Identify the conductor below.
cloth
plastic
metal
a single pathway through which electric current flows
series circuit
parallel circuit
short circuit
the circus
multiple connected pathways through which electric current flows
series circuit
parallel circuit
short circuit
the circus
BASIC circuits are made up of...
a battery, lightbulb, and wires
wires, nails, and switches
resistors, fuses, and batteries
lightbulb, switch, resistors
What provides the energy in a circuit?
Wires
Energy
Lightbulb
Battery
Electric Current only flows when the it is a closed circuit.
True
False
Is the switch on or off in a closed circuit?
On
Off
What is the circuit called when there is a gap in the circuit?
Open circuit
Closed circuit
Electrical conductors are materials that allow ___________ to flow
through them easily.
battery
electric current
fire
heat
Electrical insulator _____ allow electric current to flow through them.
does not
does
Steel and Iron are good _____________.
insulators
conductors
driver
protector
Plastic and rubber are good ___________.
insulator
conductor
driver
protector
Which is an example of an insulator?
copper foil
sponge
steel paperclip
metal brass ring
What do you use to connect wires and complete a circuit?
A ruler
Glue
Tape
A switch
What is this an example of?
Series Circuit
Parallel Circuit
Static means not moving but the static electricity does move (attract and repel).
true
false
When electric charges flow from one place to another in a circuit.
Motor
Wire
Current
Raisin
Which one of this that are NOT basic component of simple circuit?
Light bulb
Wire
Battery
Appliances
Which one is the circuit diagram of this picture?
In this circuit, the bulb(s) that light up are:
1 only
2 only
1 and 2
None of them
If the switch was opened, what would happen?
the ammeter would measure a current flowing
current would no longer flow, so everything would be off
the bulbs would stay on because they're connected to the cell
the bulbs would burn out and catch fire
Which of these statements about insulators and conductors is true?
Most insulators are made of metal, but most conductors are not.
Insulators are made out of easily charged atoms.
An insulator allows electric charges to move easily
A conductor allows electric charges to move easily.
What happens when you remove a bulb from a series circuit?
All of the bulbs turn off.
The other bulbs stay on.
The other bulbs get dimmer.
The other bulbs get brighter.
