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WhatsApp: +233 53 156 7677
Good morning โค๏ธ
@edsciencelab
@edsciencelab
Did Charles Darwin invent the famous phrase "survival of the fittest" to describe his theory of natural selection?
Anonymous Quiz
62%
Yes
38%
No
โค1
Did Thomas Edison invent the very first functioning incandescent electric light bulb?
Anonymous Quiz
55%
Yes
45%
No
โค1
Who mathematically discovered the dense, positively charged atomic nucleus by bouncing alpha particles off a sheet of gold foil?
Anonymous Quiz
83%
Ernest Rutherford
17%
Hans Geiger
Good evening ๐
@edsciencelab ๐๐จโ๐ฌ
@edsciencelab ๐๐จโ๐ฌ
Which scientist conducted the definitive 1887 experiment that proved the "luminiferous aether" (the invisible medium light waves were thought to travel through) did not exist?
Anonymous Quiz
69%
Albert Michelson
31%
Albert Einstein
Who was the first scientist to successfully photograph and prove the physical double-helix structure of DNA using X-ray diffraction data?
Anonymous Quiz
50%
Rosalind Franklin
50%
Raymond Gosling
Who created the very first organized periodic table that arranged chemical elements sequentially by their properties?
Anonymous Quiz
70%
Dmitri Mendeleev
30%
Julius Lothar Meyer
Who actually discovered the world's first life-saving antibiotic, penicillin?
Anonymous Quiz
69%
Alexander Fleming
31%
Ernest Duchesne
Forwarded from MATHS ๐งฎ LAB ๐ฌ
Radioactive nuclei decay exponentially with characteristic half-lifeโtime for half to decay. Half-life enables radiometric dating of ancient samples and medical applications of isotopes.
@edsciencelab ๐๐จโ๐ฌ
@edsciencelab ๐๐จโ๐ฌ