Monday 26th May 2025

 HMWRK COR:

Natural science  : Exam on Tuesday

    Classbook. Page 99, act. 7

                        Page 101, act.2, 4 and 5

Morse invented the first telegrph in 1837 

Laserphaco probe in 1981

Radio guidance system in 1942

printing press in 1440 

dangerous = not safe

motion picture device 1895

computer software in 1953 

 first working television system in 1926

Alexander Flemming discovered penicilin in 1928

 

HOMEWORK 

NATURAL SCIENCE EXAM: Worksheet.

Activity Book page 25