Light

Which one is natural light source?

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Which are artificial light sources?

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What is opaque?

• Objects that do not allow light to pass through

• Objects that allow most of light to pass through

• Objects that allow some of light to pass through

• Objects that allow light to reflect

What is translucent?

• Objects that do not allow light to pass through

• Objects that allow most of light to pass through

• Objects that allow some of light to pass through

• Objects that allow light to reflect

What is transparent?

• Objects that do not allow light to pass through

• Objects that allow most of light to pass through

• Objects that allow some of light to pass through

• Objects that allow light to reflect

What are properties that we need to form a shadow?

• light source

• object for blocking the light

• surface or screen

• transparent object

We able to see things because they ... to our eyes.

• move color

• absorb color

• reflect light

• hide light

What can you observe from this picture?

• lights pass to opaque object

• lights reflect

• lights travel in straight line

• lights bend to different direction

What should Ramu do if he wants to change the position of the reflection?

• Asking Raju to change his position

• Asking Appu to change mirror's position

• Ramu turns off the torch

• Ramu changes torch's position

What is the fastest object on the earth?

• Rocket

• Thunder

• Wind

• Light