HOW ARE THINGS MADE?
We know a lot of things about this topic because we have talked about it in Science,so it´s going to be easy peasy.
Did you know that humans can improve existing materials ? Let´s watch some examples.
Another question for you: What Makes Bridges So Strong?
Have you ever seen a boat made of plastic? Here it is.
Ok. You don´t remember the history of St. Valentine. Pay attention!
And we can´t forget a little bit of grammar, of course. This is the passive voice.
