1.Light travels in ___________

• Straight line

• zigzag line

• curve line

• Circular

2. Light travels through which material?

• Wood

• Pure glass

• Metal

• Cardboard

3. Some objects like ___________ can block light from coming through.

• Pure glass

• Wood

• pure plastic

• eye glasses

4. Things make shadows because they ______ light.

• Block

• pass

5. What happens when an object is opaque?

• all light is able to pass through

• no light is able to pass through

• some light is able to pass through

• it is black

6.The above diagram shows that ____

• Light is reflected

• Light has speed

• Light travels in a straight line

7.Amin conducted an investigation to investigate the nature of the light. He arranged the cardboard like the diagram above. What happens when Amin moves C cardboard to the side?

• Amin can see the candle light

• Amin can see the shadows

• Amin couldn't see the candle light.

8.Based on this image, what conclusion can be drawn?

• The light is invisible

• Light can be reflected

• Light can be refracted

• Light travels in a straight line

9.Which of the following is true of the nature of light above?

• Light travels in a straight line

• Light can be refracted

• Light travels in high speed

10.our main source of light ...

• Candle

• Torch

• sun

• Fire