Light Energy

It is a form of energy which allows you to see things around.

• Light

• Reflection

• Refraction

• Transparent

Which of the following is incorrect?

• The sun is our major light source.

• Light travels at a very high speed.

• Light travels in a straight line.

• The speed of light doesn't change.

It allows nearly all the light rays to pass through and blocks some of it.

• Transparent

• Translucent

• Opaque

It allows some of the light rays to pass through and blocks most of it.

• Transparent

• Translucent

• Opaque

It blocks all the light rays.

• Transparent

• Translucent

• Opaque

All of the following are transparent materials except for:

• fish tank

• eyeglasses

• wax paper

• clear glass

All of the following are translucent materials except for:

• aluminum foil

• frosted glass

• sunglasses

• thin fabric

All of the following are opaque materials except for:

• drinking water

• wood

• rock

• brick

What behavior of light is shown in the picture?

• Reflection

• Refraction

What behavior of light is shown in the picture?

• Reflection

• Refraction