[...]... Period 66: Unit 11: Sources of energy : I Before you listen: 1.Vocabularies: Listening 1 Vocabularies Ecologist (n): Ecology (n): nhà sinh thái sinh thái học Fertilize (v): làm cho phì nhiêu, màu mỡ Oxygen (n): khí Oxy Ocean (n): đại dương Petroleum (n): Replace (v): Nitrogen (n): dầu mỏ thay thế khí ni tơ Carbon dioxide: Cacbon đioxyt Vital (adj): quang trọng, cần cho sự sống Period 66: Unit 11: Sources... Answering the following questions _ list all natural resources that are necessary for life     The air The oceans The sun The land _ two groups of resources  renewable  nonrenewable Period 66: Unit 11: Sources of energy : I Before you listen: 1.Vocabularies: Listening Task2: Listen to the passage decide whether the statements are True (T) or False (F): II While you listen: 1 Task 1: Answering... quickly , F it is called renewable 3 Grass for animals is a renewable T resource F 4 According to the passage, coal is nonrenewable because it takes millions billions of years to make it Period 66: Unit 11: Sources of energy : I Before you listen: 1.Vocabularies: II While you listen: 1 Task 1: Answering the Listening Task3: Fill in the blanks with the words from the box : atmosphere amount polluted... amount correct amount of nitrogen (N), oxygen (O), Carbon dioxide (CO2), and other (4) If humans continue to pollute the air , it will not contain the correct (5) of these gases Period 66: Unit 11: Sources of energy : Listening I Before you listen: 1.Vocabularies: II While you listen: 1 Task 1: Answering the Work in groups of 6 to discuss about the following topic after watching the video . to the song, and then tell the name of the song :2 6 Period 66: Part: Listening Period 66: Unit 11: Sources of energy : Listening I. Before you listen: 1.Vocabularies: 1. Vocabularies Ecologist. Oxy đại dương dầu mỏ thay thế khí ni tơ Cacbon đioxyt quang trọng, cần cho sự sống Period 66: Unit 11: Sources of energy : Listening I. Before you listen: 1.Vocabularies: II. While you listen: . questions  The air  The oceans  The sun  The land  renewable  nonrenewable Period 66: Unit 11: Sources of energy : Listening I. Before you listen: 1.Vocabularies: II. While you listen: