Online Class Notes (Li)
Vocabulary
cold <-> hot (opposites)
climate change – long-term shifts in temperatures (hot <->cold)
greenhouse gases – CO2, methane, nitrogen oxide that are bad for the earth
air/noise/environmental pollution – harmful
fossil fuels – gasoline, petrol, diesel for powering cars, factories and so on
increase – when a number goes up
ex. I got a better score on my test this time – it’s a 10 point increase!
decrease – when a number goes down
hydro energy – water
renewable energy – can use again; hydro, wind, solar
Speaking exercise
There are a lot of unhealthy things and unclean things.
There are many types of pollution in our environment.
Sun shines and the earth gets hotter.
The sun shines and the earth gets hotter.
People don’t build a lot of factory. Use solar and wind energy.
Build less factories. Use solar and wind energy.
We can plant trees and flowers.
Use less water and save energy.
Electric
Electricity
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