Now, go to https://eltngl.com/search/productOverview.do?N=200+4294918519&Ntk=NGL|P_EPI&Ntt=our+world+second+edition|9299198381646190820190924091805772&Ntx=mode+matchallpartial&homePage=false

1. Scroll down to "MORE DETAILS" (in grey box), and open "Try a Unit/Sample"

2. Choose any unit , and open it. You will then see the Unit PDF.

3. Skim through the unit to see how the learning of English as a second language (e.g. grammar; vocabulary, macroskills), is integrated with the learning of content knowledge (in this case, knowledge about the world).