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15 questions
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 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.
Sounds can be loud or ....
List two things that give out heat in your home.
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