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Same Start and End Letter - Science

Guess these scientific answers that start and end with the same letter.
All the answers are a single word
Original idea by the Quizmaster here
Quiz by Stewart
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First submittedApril 10, 2019
Last updatedApril 10, 2019
Times taken36
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Hint
Answer
A
Molecule with the formula NH3
Ammonia
A
Largest artery in the body
Aorta
B
A part of a plant, mostly underground, that stores food while the plant is resting
Bulb
C
_______ aberration is a failure of a lens to focus all colors to the same point
Chromatic
C
The C in CMBR, which is used as evidence for the Big Bang
Cosmic
D
Naturally-occurring material with the greatest known hardness
Diamond
E
A biological catalyst which accelerates a chemical reaction
Enzyme
E
A highly flammable organic compound with chemical formula C2H6
Ethane
E
Organ of the visual system in humans
Eye
G
A diffraction ______ has a periodic structure that splits light
Grating
M
Element on the periodic table with atomic number 12
Magnesium
M
The product of the mass and velocity of an object
Momentum
N
A teaspoon of a ______ star weighs 10 million tons
Neutron
N
English physicist famous for his work on the laws of motion
Newton
N
Most common element in the Earth's atmosphere
Nitrogen
S
The basic unit of classification and taxonomic rank of biological organisms
Species
T
The opposing force when a system pushes or accelerates mass in one direction
Thrust
T
A sensor which keeps a heating system near to a desired temperature
Thermostat
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