Page 1 Page 2 UNIT 4Page 3 Page 4 Investigation 4.Page 5 Page 6 Your scientific notebook. Your pencil. Your book. A computer with internet and a printer machine.Page 7 All you have to do is clicking on the following image to create a food web online. http://www.vtaide.com/png/foodwebS. htm After finishing your wonderful masterpiece, print it or draw it if you don´t have a printer at home. http://www.vtaide.com/png/foodwebS.htmPage 8 Page 9