Social 502 ST2 Revision

Throughout the history of the world, many ____________ have dedicated their lives for research and innovation.

• inventors

• industrialist

• scientists

• farmers

Albert Einstein was a German born theoretical __________. He is the ‘genius’ of the twentieth century.

• physicist

• chemist

• mathematician

• inventor

Albert Einstein was most known for his ____________________.

• inventions

• discovery of polonium and radium

• Theory of Relativity

• Law of Gravitation

Sir Isaac Newton was an English __________ and __________.

• physicist, farmer

• mathematician, inventor

• physicist, mathematician

• physicist, chemist

Sir Isaac Newton was most known for his ____________________.

• Law of Gravitation

• Theory of Relativity

• discovery of polonium and radium

• inventions

Newton’s ________________ guides the efforts of scientists in their study of planetary orbits.

• law of universal gravitation

• breakthrough in the area of optics

• 1. laws of motion

• inventions

Marie Curie was a Polish-born French _______ famous for her work on _______ and twice a winner of the Noble prize.

• physicist, laws of motion

• mathematician, calculus

• chemist, indigo dye

• physicist, radioactivity

Adolf von Baeyer was a well-known German _________ best-known for __________.

• chemist, radioactivity

• chemist, synthesizing indigo

• physicist, calculus

• physicist, laws of motion

The blue natural dye used in the textile industry, developed by Adolf von Baeyer.

• indigo

• barbituric acid

• 1. double salt of copper

• sea salt

________________ discovered that lightning was electrical.

• Archimedes

• Benjamin Franklin

• 1. Leonardo da Vinci

• The Wright brothers