Famous Inventors and Their Inventions

The video explores the concept of inventions and inventors, highlighting the necessity of inventions in history. It discusses famous inventors like Thomas Edison and Louis Pasteur, their contributions, and the impact of their inventions. The story of the chocolate chip cookie by Ruth Graves Wakefield is shared, along with the evolution of cellular phones initiated by Martin Cooper. The video concludes with a review of key points and encourages viewers to become inventors themselves.

What is an invention?

• A type of transportation

• Something that has never been made before

• A tool used for hunting

• A new idea that has been thought of before

Why do most inventions come into existence?

• To make life more complicated

• To entertain people

• To replace old inventions

• To solve a problem or fulfill a need

Which invention is Thomas Edison famous for improving?

• The steam engine

• The telephone

• The airplane

• The incandescent light bulb

What was the phonograph invented by Thomas Edison?

• A tool for measuring temperature

• A new kind of light bulb

• A type of camera

• A device for playing recorded sound

What process did Louis Pasteur develop to prevent food spoilage?

• Fermentation

• Refrigeration

• Pasteurization

• Canning

Which disease did Louis Pasteur NOT develop a vaccine for?

• Influenza

• Anthrax

• Smallpox

• Rabies

Who invented the chocolate chip cookie?

• Martin Cooper

• Ruth Graves Wakefield

• Thomas Edison

• Louis Pasteur

What unique payment did Ruth Graves Wakefield receive for her cookie recipe?

• A new car

• A vacation package

• A lifetime supply of chocolate

• A cash prize

Who is credited with inventing the first handheld cellular phone?

• Martin Cooper

• Steve Jobs

• Thomas Edison

• Alexander Graham Bell

How much did the first handheld cellular phone weigh?

• 6 pounds

• 2.5 pounds

• 4.4 pounds

• 1 pound