What does these images mean to
you???
What does this image mean to you???
Why should I learn this lesson?
• To tell the meaning of the word invention and
discovery
• To identify the difference between an
invention and discovery
• Learn about the contributions and
applications of important inventions and
discoveries
Imagine life without the
inventions and Discoveries
What is invention (cont…)
• Any new device, composition, method or process which has never
existed before, is called an invention.
• An invention can also be an improved version of a specific product
or machine.
• It can also be a new process that we an use to reach a desired
result or create an object
What is
What is Discovery?
• When we detect or find something that already existed but we
were not aware of, it is a discover.
What is Discovery?
IMPORTANT INVENTIONS &
DISCOVERIES
MODERN PRINTING PRESS
Early humans used to write on wood
pulp
In other parts of the world
people used to write on palm
leaves
People wrote on clay tablets
Ancient Chinese of HAN
Dynasty invented paper
FUN WITH COMICS
Inventions and disoveries
Inventions and disoveries

Inventions and disoveries