unit 3 the world online
welcome to the unit
teaching aims:
1. after learning this lesson, the students will be able to know more about the internet, and talk about the internet and its uses by making a debate on the effects of the internet on our lives;
2. after learning this lesson, the students will develop speaking and discussing skills by talking about the four pictures and sharing ideas in a group;
3. the students will have a fluent talk on that the internet connects people all over the world and that the internet has both positive and negative aspects.
teaching procedures:
step 1 lead-in (ppt5-9)
1. talk about the computer.
2. learn about “computer terms”.
(1) which programme would you like to watch tonight?
→a program is something that we use to control or operate a computer.
(2) the music from the keyboard sounds like music from a real piano.
→a keyboard is a set of keys on a computer that help you operate the computer.
(3) i hate to clean windows.
→windows is a kind of computer program developed by microsoft.
(4) memory is something you may start to lose with age.
→memory is a space in the hard drive of a computer to store information.
(5) julie wants to have a pet mouse.
→mouse is what you control with your hand to move the cursor on the computer screen.
step 2 brainstorming (ppt10-12)
一、do you know how people kept in touch with each other in the past?
(people used letters, postcards, telegraphs, faxes and telephones to communicate before the invention of the internet. )
2. then how people keep in touch with each other now?
(with the development of the internet, more and more people are now using computers and the internet for communication.)
3. what are your experiences using the internet?
4. what is the internet?
(the internet, also called the net, is a collection of computers connected in a worldwide network.)
5. what are the functions of the internet?
(chatting, shopping, music, etc.)
step 3 sharing information (ppt13-20)
discuss the four pictures of the poster “a world of connections”. encourage students to express their understanding about the different usages of the internet and have a good imagination of what the internet brings us in the future.
now work in pairs and have a discussion about each of the pictures.
picture 1
1. what can people do on this website?
(search for information on a variety of topics. )
2. what do we call this kind of website that provides searching services?
(we call it search engine.)
