资源简介

(共19张PPT)
外研版（2019）必修第二册
Unit 6 Earth First
Presenting Ideas
A Carbon footprint survey
Learning objectives
By the end of the class, you will be able to:
1.understand what carbon footprint is and how it forms in life;
2. Create a personal carbon footprint survey and carry it out in your class , then come up with measures of dealing with it;
3.develop the awareness of Earth first and take corresponding measures to protect the Earth in real life;
4. Plan a campaign for a greener school and present it
to the class.
footprint
[ f tpr nt] n. 足迹
carbon footprint
[ kɑ b n] [ f tpr nt] n.碳足迹
Activity 1. Watch and answer
What is the carbon footprint
Carbon footprint is the amount of _________________released [r li st]释放 into the environment by our activities.
green house gases
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
transportation n.交通
[ tr nsp te n]
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
food
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
lift
elevator
television
computer
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
mobile phone
air conditioner
washing machine
modern appliance
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
disposable chopsticks
lunch box
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
disposable chopsticks
lunch box
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
leave the tap running
use plastic bag
take a bath while
showering
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
use a lot of tissue
leave the plug of appliances plugged in all the time
Activity 2. Observe and say
What things or behaviors contribute（导致） to carbon footprints？
leave the lights on all night
leave theappliances in stand-by
mode for a long time
life habit
Activity 3. Create a carbon footprint survey
Questionnaire：
Questions about carbon footprints
1. How often do you walk, cycle or take public transport to school
A. Never (3)
B. Once to three times a week (2)
C. Almost every day (1)
Activity 3. Create a carbon footprint survey
2. How many hours do you keep your air-conditioner on during summer days at home
A. More than seven hours (3 footprints)
B. Three to seven hours (2 footprints)
C. Less than three hours (1 footprint)
3. How long does it take you to take a shower
A. More than 15 minutes (3)
B. 15 minutes (2)
C. Less than 15 minutes (1)
4.How often do you eat beefsteak（牛排）
A.Often (3)
B.sometimes (2)
C.seldom (1)
Activity 4. Carry out the survey
Compare your results: the least/ the highest/ the average
Name Q1 Q2 Q3 Q4 total footprints average footprints
Annie
Tonny

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