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BYU PHYSICAL SCIENCE 100 MIDTERM 1
2025 EXAM BRAND NEW ACTUAL EXAM
WITH ANSWERS.
1. Time Symmetry - correct answer -physical laws are the same
now as they have been in the past and will continue to be the
same in the future
1. Scientist: Pythagoras, Plato, Aristotle - correct answer -500-300
B.C.
Relied heavily on reason. Sensory data not trusted. Geocentric
model of Universe.
1. Scientist: Aquinas - correct answer -1200 A.D. Relied heavily
on authority. Geocentric model of the universe.
1. Scientist: Newton - correct answer -1600 A.D. Relied on
sensory data. Introduced Heliocentric model. (sun = center)
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1. Scientist: Copernicus Galileo - correct answer -1700 A.D.
Relied on sensory data. Introduced numerous mathematical
models
1. 4 sources of knowledge - correct answer -reason
sensory data
intuition
authority
1. 6 self-evident truths - correct answer -causality
existence
occam's razor
noncontradiction
position symmetry
time symmetry`
1. Causality - correct answer -things happen on the basis of
physical laws due to interaction with other objects. If one thing
affects another, it must precede the other thing in time.
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1. Occam's Razor - correct answer -if there are two ways of
explaining something equaly well, the simplest one will be
accepted over a more complicated one.
1. Position symmetry - correct answer -physical laws do not
depend on where an observations is made
2. 4 basic forces in nature - correct answer -strong force,
electromagnetic force, weak force, gravity
2. Strong force - correct answer -short range, nuclear force,
responsible for the binding of nucleus together
(affects nucleus only / neutrons and protons)
2. electromagnetic force - correct answer -responsible for binding
atoms and molecules as structures
BYU PHYSICAL SCIENCE 100 MIDTERM 1
2025 EXAM BRAND NEW ACTUAL EXAM
WITH ANSWERS.
1. Time Symmetry - correct answer -physical laws are the same
now as they have been in the past and will continue to be the
same in the future
1. Scientist: Pythagoras, Plato, Aristotle - correct answer -500-300
B.C.
Relied heavily on reason. Sensory data not trusted. Geocentric
model of Universe.
1. Scientist: Aquinas - correct answer -1200 A.D. Relied heavily
on authority. Geocentric model of the universe.
1. Scientist: Newton - correct answer -1600 A.D. Relied on
sensory data. Introduced Heliocentric model. (sun = center)
, Page | 2
1. Scientist: Copernicus Galileo - correct answer -1700 A.D.
Relied on sensory data. Introduced numerous mathematical
models
1. 4 sources of knowledge - correct answer -reason
sensory data
intuition
authority
1. 6 self-evident truths - correct answer -causality
existence
occam's razor
noncontradiction
position symmetry
time symmetry`
1. Causality - correct answer -things happen on the basis of
physical laws due to interaction with other objects. If one thing
affects another, it must precede the other thing in time.
, Page | 3
1. Occam's Razor - correct answer -if there are two ways of
explaining something equaly well, the simplest one will be
accepted over a more complicated one.
1. Position symmetry - correct answer -physical laws do not
depend on where an observations is made
2. 4 basic forces in nature - correct answer -strong force,
electromagnetic force, weak force, gravity
2. Strong force - correct answer -short range, nuclear force,
responsible for the binding of nucleus together
(affects nucleus only / neutrons and protons)
2. electromagnetic force - correct answer -responsible for binding
atoms and molecules as structures
