Slow but natural speed (Is for first grade kids, non-native English speakers).
Make a long stop in full stops, please. Thank you very much!
This is wood. It is a natural material. Wood comes from trees.
Wood is opaque so it is not good for windows.
Wood is good for chairs and tables.
This is glass. Glass is a natural material too. It comes from minerals.
Glass is a transparent material. It is also very fragile.
Metal is a natural material. It comes from minerals. It is strong.
Metal is used to make knifes and forks. We also use it for clips.
Do you know what material is this? It is plastic. A lot of objects are made of plastic.
Many of your toys are made of this material. It is a human-made material.
Cotton is a natural material.
It comes from plants.
Clothes are made of this material.
Leather or wool come from animals. They are natural materials too. They are used for clothes.
We can see other materials around us. Houses are made of bricks.
Materials are very important to live. We have to take care of our environment.
[Make a long pause after each word]
knife and fork