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Save the Earth Objectives
Vocabulary: related to causes and effects of pollution Reading & Listening: an article about acid rain Speaking: using notes to give a talk Grammar: present perfect continuous; have to/don’t have to Writing: for-and-against essay about keeping wild animals as pets
Introduction Ask Ss to look at the title, Save the Earth, and the pictures. Elicit/Explain the meaning of the title (help our planet). Ask them what they think the unit will be about. Encourage Ss to predict what vocabulary they will see in the unit.
Vocabulary 1
Focus ➤ Building up vocabulary related to causes of pollution Draw Ss’ attention to the list. Elicit/Explain the meaning of any unknown words. Tell Ss to look at the pictures and decide which show items from the list. Allow Ss time to complete task. Ss compare answers. Check Ss' answers. Answer Key Pic 1: a power station/factory, toxic fumes, factory waste Pic 2: factory waste, polluted clouds Pic 3: loss of natural habitats, air, water and soil pollution, breathing problems, fish and plant species dying, acid rain
Reading & Listening 2 a) Focus ➤ stimulating interest/predicting content Ask Ss to read the headings and look at the corresponding pictures. Ask individual Ss to explain the problem. Encourage Ss to use the vocabulary from Ex.1. Write key phrases on the board. Ss read to check their answers.
Suggested Answer Key Factories and power stations burn coal, cars burn petrol and emit toxic fumes. This causes air pollution and acid rain. Acid rain falls on the earth, seas, rivers, etc, causing water and soil pollution. b)
Focus ➤ Reading for specific information; listening for confirmation ñ Read the rubric aloud. Advise Ss to read the sentences carefully focusing on what precedes and follows each blank space. Allow Ss time to complete the task. Play the recording (twice if necessary) as Ss listen and check. Check Ss’ answers.
Answer Key 1 B 2 A
3 C
4 C
5 A
ñ Ask Ss to explain the meaning of the words in bold without the use of a dictionary, i.e. they can use synonyms, paraphrase etc. Elicit/Explain the meanings and write them on the board. Ss should copy the words into the vocabulary section of their notebooks. Answer Key burn (v): use a product to produce heat, light, etc emit (v): send out gathered (v): collected oxygen (n): air atmosphere (n): layer of gas or air around a planet lands (v): comes to earth sleet (n): icy rain wipes out (phr v): destroys, kills poisons (v): kills or makes sick with a toxic substance reduce (v): lessen harmful (adj): dangerous solar power (n): energy from the sun heat (v): make hot
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