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WorksheetsElectricity and sound
Total questions: 31
Worksheet time: 29mins
What does this icon on the STAR guide represent?
battery-power
mains power
lightening
mobile phone
Which appliances or devices use battery power?
mobile phone
kettle
torch
lamp
tablet
A source of (a) is needed for electrical devices to work.
What source of electricity do televisions, kettles and lamps use?
battery
solar
mains
static
What does this icon mean?
(a)
Write one way you can ensure you are safe around electricity.
Sources of electricity (a) electricity round a circuit.
Select all the complete circuits.
A (a) can break or reconnect a circuit.
Select the component that is NOT needed for a complete circuit.
battery (cell)
wires
crocodile clips
appliance (light, buzzer or motor)
What does this symbol represent?
circuit
insulator
conductor
electricity
Write 2 materials that are electrical insulators.
What does this image represent?
circuit
insulator
conductor
electricity
Which of these materials could you use to complete a circuit?
ballpoint pen
rubber band
a piece of string
metal spoon
Materials that allow electricity to flow easily are called (a) .
An (a) is a material that doesn't allow electricity to flow easily.
How does sound travel?
through vibrations
straight to the ear
only through water
by bouncing off surfaces
Sound moved through all materials by making them vibrate.
True
False
The stronger the vibrations, the ______ the sound.
Louder
quieter
higher
lower
Sounds are (a) the further you get from the sound source.
As sound travels it ____________
stays focused on one spot
stops when it hits something
spreads out
doesn't do anything
Explain what happens to create louder sounds.
Select all the mediums sound can travel through.
water
space
metal
air
The quality of the sound is also known as the (a)
The pitch depends on the (a) of the vibrations.
Different materials produce ________________
bubbles
no sounds
different volumes
different pitches
If an object vibrates quickly we hear (a)
If we hear a low-pitched sound the object vibrates ______
quickly
slowly
Changing the shape, size and material of an object _______
will change the sound it produces
will make no difference
will make everything louder
will make the sounds softer
Sound travel can _______
get louder and softer
jump over objects
be blocked
the vibrations are known as the _________
frequency
pitch
sound
electricity
