All Flashcards
(118 cards)
Discovered X-ray in 1895?
William Conrad Roentgen
discovered radioactivity in 1986
Henri Becquerel
Discovered electron in 1897
Joseph John Thomson
Occurs when the nucleus of an atom breaks up into two lighter nuclei
Nuclear Fission
A reaction in which two or more nuclei are combined to form one or more different atomic nuclei and subatomic particles
Nuclear Fusion
Theory of Relativity
Albert Einstein
used to understand the physics of motion prior to einstein’s theory.
Newton’s law of motion
Have been used as tracers in complicated chemical and biochemical reactions and have also found applications in geological dating.
Radioactive Isotopes
Invented the first found microscope.
Zacharias Janssen
Propose the natural selection as an explanation of evolution.
Charles Darwin
Theory of Genetics
Gregor Mendel
Father of Microbiology, pioneered pasteurization, proposed the germ theory of disease, and developed vaccine for rabies.
Louis Pasteur
Biological Evolution
Hugo de Vries
DNA
Deoxyribonucleic Acid
First human to go on space
Yuri Gagarin
They succeeded on perfecting their steam engine in 1778
James Watt and Matthew Boulton
Englishman who invented the large-scale production of chemicals such as sulfuric acid by the lead chamber process
John Roebuck
Introduced a method for the production of sodium carbonate.
Nicolas Leblanc
The British bricklayer who patented a chemical process for making Portland cement
Joseph Asdin
the process consisting of the large gasification of coal in furnaces, the purification of the gas, and its storage distribution.
Gas Lighting
Method of producing glass developed in Europe during the 19th century
Cylinder Process
He patented a machine for making continuous sheet of paper on a loop of wire fabric
Nicholas Louis Robert
Invented the Seed drill in 1701
Jethro Tull
Modify T/F The Philippines today is a second world country.
F. Third World Country