1. When did it happen?
Unit 7

2. Objective
Written essay about an important discovery, invention or event of the twentieth century.

3. 1.Preview (Spoken description of important history events).
Say the names and dates of the important events.
The fall of the Berlin Wall
Nelson Mandela freed.
Man walks on the moon.

4. 2.Writing (Written essay about an important discovery).
A. Investigate and write a summary about a an important discovery, invention or event of the twentieth century.

5. 3.Application -Speaking: (Important summary about an important discovery).
A. Give spoken summary about the important discovery, invention or event of the twentieth century that you wrote about