9b  Unit 1 Life on Mars  Welcome to the unit 導學案

no air pollution caused by trafficplanet mars bankspace fashion and food shopsthings from earth are hard to findusually friendlyvisit the two moonsstep 3 presentation1. tell students that producing a flow chart is a useful way to organize their ideas, particularly when they want to write about more than one idea. a flow chart can help students see how different ideas fit together. this will help make their piece of writing more organized.2. explain the context in part a. daniel is planning to write a guide to mars. review “float, laser, low-gravity” and “pollution”. step 4 practice1. ask the students to complete the chart using the phrases from the box. point out to them that each category (main idea) is a different colour, so they should be careful to put the phrases (the details) in the correct categories. for weaker classes, ss can complete the chart in pairs. for stronger classes, ask students to complete the chart on their own.2. ask 5 students to read out the points for the five categories. ask students to think of two or three extra items they can add to the chart.3. ask students to fill in the blanks in part b, page 20 with the information from the flow chart on page 19.remind the students that some word and phrases that they fill in the blanks may not be exactly the same as those in the flow chart. encourage them to make changes wherever necessary. students can work in pairs to finish it.4. ask 6students to each read one paragraph. check for mistakes and mispronunciation.step 5 activity 1.         brainstorm with the ss to give them some more ideas about things that could be different on another planet.ask students to volunteer this information. some examples are:animals clothesentertainmentfoodhousingmoneyplantsschoolstransportweatherstep 6 practice1.         encourage the students to produce a flow chart using the ideas in the brainstorming session or any new ideas they can think of. remind students that they do not have write about mars. they can write about any other planet, including imaginary planets. if they decide to write about one of the planets in our solar system, encourage them to do some research and find out a little bit more about that planet on the internet or in the library. 2.         tell the students that they should first write down all the main ideas they want to include in their guides. then they should think of details to support each main idea.