Clear, translucent or opaque

1. A Ana sees through the window to see outside. What kind is this window?

   • Clear (right)
   • Broken
   • Translucent

2. Leo uses a flashlight to look at a plastic bottle. The light goes through and shows the inside. What kind is the bottle?

   • Colored
   • Clear (right)
   • Opaque

3. Ana wonders: A clear plastic cup lets sunlight pass, but a thick cardboard block does not. What kind of material is the cardboard?

   • Clear
   • Shiny
   • Opaque (right)

Tip: Materials like wood, brick, or cardboard block all light — they are opaque. Clear materials let light pass through so you can see through them.