Work in pairs. Discuss the questions

1. What is the stethoscope used for? Which doctors usually use stethoscopes?

Do you know anything about how the stethoscope was invented? How did doctors use to listen to the heartbeat before it was invented?

2. Look at the photos below and say how different the early models of the stethoscope were.

 

12. Watch the video about the invention of the stethoscope (https://www.youtube.com/watch?v=Dd2FuLBm3Qw) and complete the notes.

double

newspaper

wooden tube

binaural

ear

model

Watch the video again and choose the correct option.

Work with your partner. Use the notes from Ex. 12 and tell the partner about the history of the stethoscope.

TRANSLATION The invention of the stethoscope

Translate the sentences from Russian into English.

READING Who invented the microscope?

Work in pairs. Discuss the questions.

1. What is the microscope used for? What fields of science are microscopes used in?

2. Do you know who invented the microscope? In what country was it invented?

3. What purposes was the first microscope used for?

4. How do you think a modern microscope has changed since the discovery of the first one?