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WorksheetsPhysical Science Milestone Review
Total questions: 37
Worksheet time: 26mins
In a computer, electric energy is transformed into all of the following except _______ energy.
kinetic (motion) energy
thermal energy
sound energy
Light energy
____ is the positive terminal of an electrical cell.
Metal disc
Metal case
Metal cap
Metal base
A combination of two or more electric cells is called _____
Electric circuit
Battery
Terminals
None of these
_____ is an electric device which easily closes or opens an electric circuit.
Filament
Electric bulb
Electric switch
Electric cell
The electric current in a closed circuit always flows from the ____ terminal of the electric cell to the _____ terminal.
Negative to positive
Positive to negative
Positive to positive
None of these
insulator
Only one of the circuits below would work to light the light bulb. Choose the circuit below that would make the light bulb light up.
conducts electricity around a circuit
wire
insulator
light bulb
switch
closed pathway that electricity flows through
battery
conductor
insulator
circuit
the power source that pushes electricity around a circuit
light bulb
switch
battery
wire
Electrical energy can be changed to _____ energy in stoves, toasters, and ovens.
sound
light
heat
motion
What is the difference between a conductor and an insulator?
An insulator allows electricity to flow through it easily and a conductor does not
A conductor allows electricity to flow through it easily and an insulator does not.
An insulator is magnetic and a conductor is not
A conductor is magnetic and an insulator is not
A great conductor of energy is:
wood
plastic
metal
cloth
All of the following are conductors except _______.
metal spoon
wire
iron nail
plastic spoon
An object that doesn't conduct thermal or electrical energy well is known as:
conductor
insulator
What object would best complete this circuit?
a battery
a peice of yarn
a cotton swab
a paper clip
The plastic covering is there to:
Provide a conductor for electrical energy to flow.
Provide an insulator so that electrical energy will not pass outside of the wires.
Provide a conductor so that electrical energy can NOT flow.
Provide an insulator so that electrical energy can flow.
You know that the object connected to the wires is a conductor because:
The object is shiny.
It's a closed circuit.
The light bulb is glowing bright.
It's a complete circuit.
Claire wants to complete her circuit with a conductor. What object is her best option?
rubber
a penny
card board
plastic spoon
Mittens help keep your hands warm in winter because:
They are conductors of heat.
They are fuzzy.
They are conductors of electrical energy.
They are insulators.
Water is an insulator.
True
False
All of the following are insulators of electricity except _____.
glass
rubber
metal
plastic
Reverse the poles of the magnet.
remove the wire and/or batteries
they can be turned on/off
their polarity can be reversed
their strength can be changed
all of the above
Which of the following is not a non-magnetic materials?
Glass
Wood
Nickel
Plastic
Which part the magnetic field is the strongest?
At the polea
further away from the magnet
closer to the magnet
When two magnets attract, they ______________
push apart
change color
slide past each other
pull together
When two magnets repel, they ______________
push apart
change color
slide past each other
pull together
The space around a magnet is called its ____________.
electrical field
magnetic field
memory field
test field
Compasses always point in which direction?
North
South
East
West
Earth acts like a giant magnet because its center is made up MOSTLY of
Granite
Limestone
Iron
Copper
Why does a compass needle, point towards the north?
The compass is a bar magnet.
North is up.
It deflects.
It lines up with the Earth's magnetic field.
