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Worksheetslight, heat and sound
Total questions: 29
Worksheet time: 15mins
Which of these is a source of light?
Which one of these is the most important source of light on earth?
Identify the natural sources of light
Some of these items do NOT produce light.
We cannot see if there is no ....
heat
light
sound
Select the things that give out heat
Which of these do NOT use heat?
cooking food
baking a cake
bouncing a ball
having a hot shower
Which shows the use of heat?
What gives out sound?
Which shows the use of heat?
What gives out sound?
Which of these do NOT use heat?
cooking food
baking a cake
bouncing a ball
having a hot shower
Which sound in the picture are loud?
... is soft.
A lion's roar.
A whisper
A thunder
An alarm bell
The picture shows that sound ....
tells people what to do
helps us to relax
warns us of danger
keeps us warm
The heat from the ... helps us to dry our clothes.
(a)
Sounds can be loud or (a)
Sounds can be loud or (a)
What is the measurement of heat?
a. Convection
b. Conduction
c. Temperature
d. Radiation
What is created when a sound wave bounces back into the object?
a. Music
b. Echo
c. Vibration
d. Tone
Which of property of sound happens when you are in a room and you can still hear the music of your sibling that's staying in another room?
a. Diffraction
b. Infusion
c. Refraction
d. Reflection
Temperature and Heat are the same.
TRUE
FALSE
In which medium does sound travel the fastest?
a. Solid
b. Gas
c. Liquid
d. Plasma
Sound waves can travel inside a vacuum.
TRUE
FALSE
Noise-cancelling headphones is an example of:
Destructive interference
Constructive interference
Beats (R) by Dr. Dre
Resonance
