Light and Materials

What is a material called if it lets light pass through it?

• Opaque

• Transparent

• Translucent

Which of the following materials is transparent?

• 
• 
• 

What is a material called if it does not let any light pass through it?

• Transparent

• Translucent

• Opaque

What is a material called if it lets some of the light pass through it?

• Transparent

• Translucent

• Opaque

Light travels in ................ .

• waves

• circles

• straight line

Illuminate means to ............. .

• light up

• speak up

• stand up

.................... illuminates Earth.

• Lamp

• Candle

• Sun

To see the objects in the room clearly, we need to .......................... the room.

• close

• paint

• illuminate

The wax paper is ..................... object.

• transparent

• translucent

• opaque

The tissue is ..................... object.

• transparent

• translucent

• opaque