Worksheetssound
Total questions: 10
Worksheet time: 9mins
What is Sound?
sound is when we do something quietly
A sound is a form of energy that can be heard and travels in waves
Sound travels faster through
Solids
Liquids
Gases
Vacuum
A sound that hits a hard surface bounces back and is called an
echo
volume
decibel
pitch
Geeta stretched a piece of plastic food wrap over a large bowl and held it firmly with a
rubber band. She put some green beans on the plastic. Then she used a spoon to hit the
side of the bowl. She saw that beans bounced all over the plastic producing tapping
noises. Which of the following show the energy conversions that have taken place?
(a) Movement ----> Sound ---->Movement
(b) Sound----> Sound----> Movement
(c) Movement ---->Sound ---->Movement ---->Sound
(d) Sound ---->Movement ---->Sound ---->Movement
What causes sound?
Waves of light
The vibration of an object
Molecules moving through space
Molecules moving through air
Why does blowing into a trumpet make a sound?
The trumpet heats the air
The trumpet causes the air to vibrate
The trumpet reflects the air
The trumpet reflects the air
Sound waves move
In the opposite direction of the source
In all directions away from the source
In the same direction as the source
In the same direction as the source
What causes sound?
The vibration of an object
Waves of light
Molecules moving through the air
Molecules moving through space
Which of the following is non -luminous object?
moon
sun
star
tubelight
Which of the following is a translucent object?
air
tissue paper
brick
stone
