Answer:
A-B. astronomy. astrophysics. atom. beaker. ...
cell. chemical. chemistry. climate. climatologist. ...
D-E. data. datum. electricity. electrochemist. ...
F-G. fact. flask. fossil. funnel. ...
H-L. herpetology. hypothesis. ichthyology. immunology. ...
magnetism. mass. matter. measure. ...
O-P. observatory. observe. organism. ...
Q-S. quantum mechanics. radiology. research.
