Believe It Or Not!

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Believe It Or Not!

• Inventions That Have Changed our Lives

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• What invention do you think this diagram shows?
  Why do you think that?
• When do you think this invention was made? Why do
  you think that?
• Do you think an invention like this exists today?

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• This is a U.S. Navy helicopter capable of
  carrying heavy loads. The first helicopter that
  could carry a person was designed and flown by
  Paul Cornu in 1907.

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• What do you think this invention is? Why do you
  think that?
• When do you think this invention was made? Why do
  you think that?

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• This drawing shows a modern army tank. Tanks were
  first used during World War One in Cambrai,
  France in 1917.

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• What invention do you think this is a sketch of?
  Why do you think that?
• Does an invention like this exist today? What do
  you think it might look like?

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• With its landing gear down, this U.S. Navy plane
  is ready to take off or land. Once the plane is
  in the air, the landing gear folds up to give the
  plane a more efficient, streamlined shape. The
  first airplane with retractable landing gear was
  built in 1933.

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• What do you think this invention did? Why do you
  think that?
• Does an invention like this exist today? What do
  you think it might look like?

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Modern SCUBA divers can swim freely underwater
while breathing compressed air from tanks on
their backs. Jacques-Yves Cousteau and Emile
Gagnon invented this self-contained breathing
apparatus in 1943
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• These ideas were described and sketched by
  Leonardo da Vinci hundreds of years before their
  time. Few of these were built and tested during
  his life. Centuries passed before other inventors
  came up with similar ideas and brought them to
  practical use.