Inventions and discoveries Yanna and Tania

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INVENTIONS AND DISCOVERIESTHAT CHANGED THE WORLD

What is an invention?

-Creation of a new material, a new process,a new use for an existing material or any improvements of any of these.

Wheel Telephone

Printing Internet

What is a discovery?

-Finding, meeting, demonstration of what was hidden or secret or was unknown.

Fire Penicillin

X- Rays Electricity

ADN

What is the difference between an invention and discovery?

An invention is an artificial creation, by humans,that didn't exist in the past.And a descovery is something that humans find in the nature , and they use it.

Yanna Robles Troyano
Tania Snchez Jimnez