As part of our topic, we have been looking at the uniforms worn by postal workers around the world. We have discussed how their uniform is suited to the weather and the climate that they live in.

My Postman, Richard, has a big orange coat on today and had his hood up because it was raining. His coat was made of a special material to keep him dry when it rains. His coat is waterproof.

We carried out our own experiments at home to find out which materials are waterproof.

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