4 Work with a partner. Answer the quiz
questions about energy sources.
1 How much of the energy used by TVs is used
while they're on standby?
A 10%
C 60%
B 35%
D 85%
2 How long can a game console run for if you
recycle one aluminium can?
A 30 minutes
C 2 hours
B 1 hour
D 10 hours
3 Biodiesel is a kind of biofuel used in diesel
engines. Which of these things CAN'T it be
made from?
A coconuts
C potatoes
B used cooking oil D sunflower seeds
4 How much of the world's electricity
does the Sun provide every
15 minutes?
A Enough for three years. Enough for a day.
B Enough for a year. D Enough for a
month.
