inventions and discoveries yanna and tania
Post on 16-Apr-2017
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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
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