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Science Year by Year 1900-1909

This is a list of major discoveries and inventions from the book Popular Science: Science Year by Year published by Scholastic. How many of these did you know happened in this time period?
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made by GML5011
avg. score: 25 of 76 (33%)
required scores: 1, 3, 15, 31, 47 

How many did you know of?

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1
Electron Discovered (1900)
Electron Discovered (1900)
2
Clementine Developed (1900)
Clementine Developed (1900)
3
First Offshore Oil Well (1900)
First Offshore Oil Well (1900)
4
Different Blood Types Discovered (1900)
Different Blood Types Discovered (1900)
5
Palace of Minotaur Unearthed (1900)
Palace of Minotaur Unearthed (1900)
6
Planck's Quantum Theory (1900)
Planck's Quantum Theory (1900)
7
Invention of Radio/Transatlantic Communication (1901)
Invention of Radio/Transatlantic Communication (1901)
8
Hugo De Vries' Discovers Mutations in Species (1901)
Hugo De Vries' Discovers Mutations in Species (1901)
9
First Fingerprint Department /Recording of Criminals Fingerprints (1901)
First Fingerprint Department /Recording of Criminals Fingerprints (1901)
10
Invention of Mechanics Made Easy/Erector Sets (1901)
Invention of Mechanics Made Easy/Erector Sets (1901)
11
Suggested Bubonic Plague Spread by Rats (1901)
Suggested Bubonic Plague Spread by Rats (1901)
12
First Diesel Engine Goes on Show (1901)
First Diesel Engine Goes on Show (1901)
13
Synthesizing of Adrenaline/Epinephrine (1901)
Synthesizing of Adrenaline/Epinephrine (1901)
14
Cause of Beri-Beri Discovered (1901)
Cause of Beri-Beri Discovered (1901)
15
Okapi, Giraffe Relative, Found (1901)
Okapi, Giraffe Relative, Found (1901)
16
Electric Typewriter (1902)
Electric Typewriter (1902)
17
Pavlov's Dog Experiments (1902)
Pavlov's Dog Experiments (1902)
18
Legal Code of Hammurabi, Earliest Known Set of Laws, Found (1902)
Legal Code of Hammurabi, Earliest Known Set of Laws, Found (1902)
19
First Psychoanalytical Society Formed (1902)
First Psychoanalytical Society Formed (1902)
20
Discovery of Fourth Blood Group, AB (1902)
Discovery of Fourth Blood Group, AB (1902)
21
Discovered That Earth's Atmosphere Has Layers (1902)
Discovered That Earth's Atmosphere Has Layers (1902)
22
Electrical Hearing Aids (1902)
Electrical Hearing Aids (1902)
23
Booth Vacuum Cleaner (1902)
Booth Vacuum Cleaner (1902)
24
Gasoline-Powered Automobiles (1902)
Gasoline-Powered Automobiles (1902)
25
Radiation to Shrink Tumors (1903)
Radiation to Shrink Tumors (1903)
26
Chromosomes Theory of Heredity (1903)
Chromosomes Theory of Heredity (1903)
27
First Air-Conditioning Unit (1903)
First Air-Conditioning Unit (1903)
28
First Recording of Heart's Electricity (1903)
First Recording of Heart's Electricity (1903)
29
Aspirin Marketed (1903)
Aspirin Marketed (1903)
30
First Geothermal Electric Power Station Built (1903)
First Geothermal Electric Power Station Built (1903)
31
The Principles of Mathematics, Basing Math on Pure Logic (1903)
The Principles of Mathematics, Basing Math on Pure Logic (1903)
32
Ford Motor Co. Sells First Model a (1903)
Ford Motor Co. Sells First Model a (1903)
33
First Flight in the Flyer by Wright Brothers (1903)
First Flight in the Flyer by Wright Brothers (1903)
34
Army Surgeon William Gorgas Wipes Out Malaria in Panama (1904)
Army Surgeon William Gorgas Wipes Out Malaria in Panama (1904)
35
Gillette Safety Razor (1904)
Gillette Safety Razor (1904)
36
Trans-Siberian Railway Completed (1904)
Trans-Siberian Railway Completed (1904)
37
First Stainless Steels Developed (1904)
First Stainless Steels Developed (1904)
38
Tea Bag Invented (1904)
Tea Bag Invented (1904)
39
Procaine/Novacaine Synthesized (1904)
Procaine/Novacaine Synthesized (1904)
40
Ramon Y Cajal Explains Nervous System and Vertebrates (1904)
Ramon Y Cajal Explains Nervous System and Vertebrates (1904)
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