Unit 4: Scale
LIVING LARGER, LIVING LONGER
Before you watch
Work with a partner. Answer the questions.
1 Which of these animals do you think has the longest average life span?
chickengiraffe horse human large dog small dog
2 What do you think the average life span of a dinosaur was?
3 How does size affect humans? Are our lives different if we are tall or short, for example?
While you watch
Watch the film about animals and size. Complete the chart with the numbersyou hear.
Animal Life span Heartbeats per minute
dinosaur –
elephant
whale
cat
rabbit
hamster
human 70
After you watch
Work with a partner. Answer the questions.
1 “This theory applies to humans too, although we have managed to live beyond expectations.” According to the film, what two things have helped humans live beyond expectations? Can you think of other ways humans are managing to live longer?
2 Do all people in the world have equal chances of living longer now? Why or why not?
3 Do you think humans will find other ways of living longer in the future? Why? How?