CIE 3- Science- Lesson 3.3

Glass is a transparent material.

• True

• False

Clean water is not a transparent material.

• True

• False

Transparent water might become ​ (a)   if you add something to make it ​ (b)   , such as ​ (c)   , paint or ink.

• opaque
• dirty
• mud

Often ​ (a)   things ​ (b)   our ​ (c)   or protect us from the weather.

• protect
• transparent
• eyes

Often transparent things protect our ............. or protect us from the weather.

Glass is a transparent material. Some glass is very _ _ _ _ _ _.

Glasses and .......... help us to see clearly. They are made from transparent materials.

Where do we use transparent materials?

Because transparent ​ (a)   allow ​ (b)   to pass through them. We can see things ​ (c)   through them.

• materials
• light
• clearly

This astronaut’s visor is so dark we cannot see her face. We can only see the .................. of her hands.

• reflection

• shadow