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WorksheetsSound and light revision
Total questions: 35
Worksheet time: 19mins
Select all the examples that show uses of light energy
The sound coming out of a speaker
The warmth you feel in a hot day
Heating water by using the Sun's rays
Using a flashlight when it is dark
A solar cell is a __________________
an electromagnetic radiation.
device that uses light from the Sun to produce electricity.
tiny particle of energy.
What is a medium?
The substance where energy travels.
A back and forth motion.
It is matter.
Select the media where sound can travel
Solid
Vacuum
Liquid
Gas
Light can travel __________________
only with a medium.
with or without a medium.
only without a medium.
What travels the fastest in vacuum?
Sound
Electricity
Light
Which is the main source of light energy on Earth?
Lamp
Bulb
Sun
Chandelier
what is a another for word for mandmade light
artifcial light
handmade light
pepole who made light
men that make human made light
why is sound faster under water than on land ?
water particals are packed more densly causing a better sound
because water is more quiet and you can hear better
because there is no loud sounds in the water but on land there is alot sounds and you won,t be able to hear easilly
because water has more particls that sound can vibrate and you will be able to here very cleary of the partcils vibrateing .
Sound travels the fastest through a ____________.
solid
liquid
gas
none of them
The back and forth motion
pitch
amplitude
vibration
A form of energy that allows you to see objects is ______.
sound
light
chemical
thermal
Soundwaves travel through a substance called a
tranverse
medium
beginning
To stop a drum from producing sound, you would _________.
hit it harder
hit it softer
stop it from vibrating
This turns light energy into electricity
light panels
thermal energy
windmills
solar cells
Which is the fastest form or energy
sound
light
thermal
nuclear
A fire truck's siren and flashing lights are examples o______ and ______ energy.
light
thermal
sound
chemical
Astronauts in space cannot talk to each other unless they use a radio to speak back and forth. Why is this?
The air is too thick to carry sound waves efficiently.
The force of gravity is too strong to allow sound waves to travel.
There is no air in space, so there is no medium to carry sound waves.
It is very loud in space, so they can only hear each other through a radio.
Sound energy is a type of
energy in motion
potential energy
stored energy
no energy
The different forms of radiations all together are known as
electrons
electromagnetic spectrum
lidar
solar panels
A waves of vibration that spread from it is source
Light
Sound
Frequency
Pich
sound waves cannot travel in
Air
Water
Vacuum
________________ is energy in the form of vibrations.
Volume
Amplitude
Sound
Sound cannot travel through
Solids
Liquids
Empty space
Gas
True or false. Only sound energy travels in waves.
True
False
What type of wave is sound?
Transverse
Longitudinal
What types of energy a match on fire have
Chemical and elastic
Heat and Light
Heat and chemical potential
Heat and sound
Sound can’t travel through liquids.
True
False
Sound travels through gas.
True
False
Sound is caused by?
friction
vibrations
instruments
Vibrations produce _______ energy.
chemical
sound
potential
light
We receive ________ and heat energy from the Sun.
sound
stored
light
kinetic
