T2 Revision

  Firefly is a source of light.   

• true

• false

Light is form of energy we can …………….

• see

• hear

Light travels in ……………. …. line.

• straight

• zigzag

……………. form when an object blocks the light.

• shadow

• nothing

-……………….is transparent object.

• 
• 

Translucent object block ……………..light.

                                                         

• all

• some

Colored glass is opaque.      

• true

• false

Theater used dark purple light to make you feel………………

• happy

• scared

Theater used bright yellow light to make you feel………………

• happy

• sad

Light helps you in ………………

• reading and writing

• sleeping