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This light helps drivers to see to see the road and other vehicles in the night.
Headlights
Why do we need lighthouse?
It helps the sailor or fisherman to see things in the ocean.
What is the importance plants for human and animals?
Plants are the source of food for humans and animals.
How can we see things?
The light falls on the object and bounces into our eyes. Our eyes send messages to our brain to tell us what we see.
What do we need to see some things around us?
We need lights to see things around us.
Why do we need plants to keep producing food?
Humans and animals are using plants as their food. That's why we need plants to keep producing food.
Can you see yourself in the mirror when it is totally dark? Why?
No. We cannot see anything when it is dark.
What is darkness?
Darkness is the absence of light.
Is it possible for the mirror ball to shine when the light is on? Why?
Yes. The mirror ball will shine when the light is on because it bounces light from the lamp.
What is the meaning of "light sources"?
Light sources are things that give off light.
Why plants need light?
So they can make food.
Why we cannot say that Moon is a source of light?
Moon does not give off light. It is bouncing light from the Sun.
Which of these is man-made source of light?
Neon sign and fireworks
What is Light?
Light is a form of energy.
The main light source during daytime is ...
Sun