Lens and Translucent Transparent and Opaque

• opaque
• translucent
• transparent

• opaque
• translucent
• transparent

• opaque
• translucent
• transparent

This type of object lets some light through, but not all. It is not easy to see through this type of material.

• transparent
• translucent
• co-parent
• opaque

If an object allows all light to pass through it then it is...

• transparent
• opaque 
• translucent
• cold

An object that blocks all of the light from passing through is...

• transparent 
• clear
• opaque
• translucent

A block of wood is opaque.

• true
• false

A clear window is opaque

• true
• false

A stained glass window in a church is transparent.

• true
• false

If you were building a house in Alaska (where it can be daylight for months!), what type of material would be best to cover your windows with that would help keep the Sun out of your room so you can sleep?

• transparent material
• translucent material
• opaque material
• glass material