module6 unit4 global warming

课件16张PPT。 Unit 4
Global warmingenergy resourcesWe depend on energy to do many things in our daily lives. For example, energy lights our cities and heats our buildings. Make a list of things that use energy in your home, in your school, or any other places you can think of.
Warming upstove light things that use energy in your home microwave oven car television hairdryer video player fridge computer washing machineGuess it! Uranium Ore (铀矿石)
The element uranium does not occur in pure form in nature but is found in mineralsUnit 4
Global WarmingWhat’s wrong with our earth?methaneCarbon dioxideWater vapourGreenhouse GasesPrediction 1. Who wrote the magazine?
2. What’s the name of the magzine?
3. What problem will be discussed in the text?Para .1 1. Human activities cause global warming.
2. Burning of fossil fuels cause the increase of earth’s temperature.
3. Carbon dioxide is the most important greenhouse gas.Para .2&3 Do we need greenhouse gases?
If there were too many greenhouse gases, ……
If there weren’t greenhouse gases,……Para .2&3 Para .4&5 Para .6 Can you put them
in right order?What are the two
attitudes?Para .7 Read the paragraph together
and find out what will be
discussed next?consolidationP27 Ex1&2What
students
should do
to
prevent
global
Warming?Group 1What
parents
should do
to
prevent
global
Warming?Group 2What
government
should do
to
prevent
global
Warming?Group 3You can choose to
Design a slogan
Design a poster