Unit 1 Making machines
Learning objectives
Focus
Warm-up
Task 1Why did the human being make machine
Task 2Simple machines
Task 3 Powering machines
Task 4Machines of the industrial revolution
Task 5Machines in the modern world
Exercise
Extended reading
Translation skill
�����g��

Unit 2 Fuels and combustion
Learning objectives
Focus
Warm-up
Task 1Combustion
Task 2 Solid fuels
Task 3 Liquid fuels
Task 4Gaseous fuels
Task 5 Heating systems
New words and expressions
Exercise
Extended reading
Translation skills
�����g��

Unit 3 Engines driver for power
Learning objectives
Focus
Warm-up
Task 1 Steam engines
Task 2 Principles of steam turbine
Task 3 Gas turbine
Task 4 Wind turbine
Task 5 Fuel cells
Exercises
Extended reading
Translation skill
�����g��

Unit 4 Renewable Energy
Learning objectives
Focus
Warm-up
Task 1 How is green or renewable energy defined?
Task 2 Why has renewable energy been neglected until fairly recently?
Task 3 Which renewable energy sources hold the greatest promise?
Task 4Who are the world leaders in renewable energy?'
Task 5What is our likely energy future?
Exercises
Extended reading
Translation skill
�����g��

Unit 5Solar
Learning objectives
Focus
Warm-upTask 1 Solar power
Task 2 Solar resource
Task 3Solar thermal
Task 4Photovoltaics
Task 5 Energy storage
Exercises
Extended reading
Translation skill
�����g��

Unit 6 Wind energy
Learning objectives
Focus
Warm-up
Task 1 Introduction and historical uses
Task 2Wind characteristics and resources
Task 3 Wind turbines
Task 4 Wind farms
Task 5 Environmental impacts
Exercises
Extended reading
Translation skill
�����g��

References