Run the activity
1. In pairs, discuss what might be a Plus, Minus and Interesting way to think about the question. Stuck for ideas? They could think about:
2. Ask the children to share their partner's ideas then encourage a broader discussion as a class, remember there is no wrong or right answer!
Transparent materials allow light to pass through them without being scattered, which means that you can see through them clearly. Objects made from glass and clear plastic are common and include windows, spectacles and light bulbs.
Take it further
You might like to explore different materials to find out which ones are transparent and not transparent (opaque). You could hold them up to the window or an overhead light or shine a torch through them.