The pulley

Do you remember the pulley?

Next week we are going to build a pulley, it could be a good idea to have a look at the presentation, before building it!

https://drive.google.com/file/d/0B-4ZilDVmR6ebUhJdkdnTFJTYWs/view?usp=sharing

Ancient History II: Phoenicians, Greeks and Carthaginians

Here you have the presentation that we have used in class to talk about Phoenicians, Greeks and Carthaginians.

Remember that you have also videos inside the presentation, and the more you revise now, the less you have to study the day before the exam!

https://drive.google.com/open?id=0B-4ZilDVmR6eSG5vLW5VM1d0Tzg

How it's made and How do they do it?

Are you interested in knowing how is chocolate made? or how do they make space pens?

If the answer is YES! you have two different tv shows in "Discovery Channel" : How it's made and How do they do it?. And you can can watch them via YouTube or even just google.

Now that you know a lot about simple machines, you will be able to understand it better.

Here you have two videos and the links to their websites.

How it's made: http://www.sciencechannel.com/tv-shows/how-its-made/videos/music-video-paper-towels/

How do they do it? : http://www.sciencechannel.com/tv-shows/how-do-they-do-it/videos/how-do-they-do-it-indoor-ski-resort/