This document discusses several important inventions throughout history including the refrigerator, airplane, telephone, fan, light bulb, radio, and medicines. Some key inventions mentioned are the refrigerator invented by Carl von Linde in 1876, the Wright brothers inventing the first airplane in 1903, Alexander Graham Bell designing the telephone in 1876, and Thomas Edison inventing the light bulb in 1879. The document also notes that inventions help make life easier and better and that inventors can be anyone wanting to help the world.
4. Inventors can be anyone that
wants to help the world!
People have been creating
inventions for hundreds of
years.
5. Refrigerator
• The refrigerator was invented to help
keep food from spoiling in the heat.
• Carl von Linde invented the refrigerator
in 1876.
6. Airplane
• Wilbur and Orville Wright built the first
airplane.
• Their invention was very special because it
was the first flying machine. In 1903
Flying Kite
7. New Cars
Cars have gotten new design.
They cost more money, but they are
safer than the old Model-T cars.
10. Electricity
• Building upon Franklin's work, many other
scientists studied electricity and began to
understand more about how it works. For
example, in 1879, Thomas
Edison invented the electric light bulb and
our world has been brighter ever since!
But was Benjamin Franklin really the first
person to discover electricity?
11. Medicine
• The invention of medicines dates back to
centuries. It was in around 3000 B. C. that
the Egyptians used remedies to fight
diseases and they also performed basic
surgeries by general examination of the
patient and mainly the guess work and
magic worked
12. Radio
• Guglielmo Marconi: an Italian inventor,
proved the feasibility of radio
communication. He sent and received his
first radio signal in Italy in 1895.
