Science A-Z #2

Answer these 26 science facts* beginning with each letter of the alphabet.

*Correct as of 2021

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Last updated: October 24, 2021

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First submitted	May 4, 2021
Times taken	483
Average score	61.5%
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	Hint	Answer
A	Branch of physics that studies celestial objects and phenomena	Astronomy
B	A region of spacetime where gravity is so strong nothing can escape it	Black Hole
C	Green pigment in plants responsible for the absorption of light	Chlorophyll
D	The mass of a substance per unit volume	Density
E	A process or reaction that releases energy from the system to its surroundings	Exothermic
F	Term that indicates a compound contains the Iron +2 oxidation state	Ferrous
G	An organism's complete set of DNA (or RNA)	Genome
H	Name of the world's largest partical accelerator (Large H_____ Collider) or a type of subatomc particle	Hadron
I	Compounds with the same chemical formula but different chemical structures	Isomer
J	Junction that consists of two or more superconductors named after a British physicist	Josephson
K	German astronomer known for his laws of planetary motion	Kepler
L	Element with the chemical symbol Pb	Lead
M	Medical imagining technique that uses magnetic fields to image inside the body	MRI
N	English mathematician credited for the discovery of gravity	Newton
O	Compounds that generally include Carbon-Hydrogen bonds	Organic
P	Substance or treatment designed to have no therapeutic value e.g. sugar pills	Placebo
Q	Elementary particles that combine to form the answer for H	Quark
R	Emission or transmission of energy in the form of waves or particles	Radiation
S	Principle of constructive and destructive interference of waves	Superposition
T	Biological classification or rank e.g. species, genus, family, order...	Taxonomic
U	The tube that carries urine from the bladder to the exterior of the body	Urethra
V	Space devoid of matter	Vacuum
W	One of the fundamental forces of nature	Weak
X	Type of electromagnetic radiation	X-ray
Y	Nutrient bearing portion of an egg	Yolk
Z	Small animal organisms that suspend and drift in water	Zooplankton

Level 83

Oct 21, 2021

Good quiz thanks, just a few spelling errors. D: substance, F: compound, I: compounds, S: constructive.

Also the clue for G might be better without “Biological material of”.

Level 56

Oct 24, 2021

Thanks a lot for the feedback, all these changes have now been made.

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