WorksheetsLight and Sound
Total questions: 18
Worksheet time: 2hrs 30mins
Write in one word:
Objects that give out light
(a)
Write in one word:
Objects that do not give out light
(a)
Write in one word:
A form of energy caused when objects vibrate
(a)
Write in one word:
Sound that is loud or unpleasant to the ear
(a)
The ________ is the most important source of light for the earth.
sun
moon
_________ are artificial sources of light.
Stars
Electric bulbs
__________ are non-luminous objects.
Trees
Lamps
The sound of ________ is pleasant to the ear.
music
traffic
………… is an object which has its own light.
(a)
We can control the light of an …………………… source of light.
(a)
……………… is an example of natural source of light.
(a)
(a) is an example of artificial source of light.
In an ………………… you can hear the roaring of planes when you see them taking off.
(a)
In a …………………… you can hear the puffing of the engine and rhythmic sounds of train.
(a)
………………… is a form of energy .
(a)
Sound which is loud and unpleasant is called …………………
(a)
People who drive should not ……………… unnecessarily.
(a)
Some insects like …………emit light.
(a)
