We’ve been learning about why a lot of materials are used for certain things. We talked about how trees help the environment by filtering air. We use the trees for air filtration and wood. We use the wood from framing of houses to some furniture. We are also starting to talk about plastic. Plastic has been created a long time ago. Plastic is a worldwide material. It is being used for a lot things. Some toys are made of plastic, some technology things are being made of plastic. An example of that would be a circuit board. They used to be made of metal but now they are mad of plastic.
Tech Blog Post 5/14