NATURAL SCIENCE FINAL EXAM
QUESTIONS AND CORRECT ANSWERS
which of the following is least likely to be categorized as "science" - ANSWER-
determining the aesthetic properties of a famous poem
you notice that when the parchment paper of an ancient document is exposed to a
certain chemical, the parchment paper becomes a different color. What have you done?
- ANSWER-made an observation
quantitative measurements lend themselves more readily to - ANSWER-mathematical
equations
"magnets have two oppositely polarized ends" is which of the following? - ANSWER-a
scientific fact
what is a scientific theory? - ANSWER-a well-substantiated explanatory description of
the world based on a larger number of independently verified observational and
experimental tests
which of the following is an example of a scientific law? - ANSWER-universal gravitation
which of the following is not out of place in the context of the scientific method? -
ANSWER-addressing questions with an open mind
an experiment is performed in which different masses and shapes are dropped from
different heights and the times it takes for each to reach the ground are recorded. which
of the following is the dependent variable? - ANSWER-time
a scientific observation must be which of the following? - ANSWER-reproducible
the study of atoms in combination is known as - ANSWER-chemistry
what is the purpose of peer review in science? - ANSWER-it uses anonymous experts
who determine the worthiness of a particular piece of research
the funding of most scientific research in the united states is provided by which of the
following? - ANSWER-federal government agencies
the first science discipline was what we now call - ANSWER-astronomy
what do the Ptolemaic, earth-centered model of the universe and the Copernican, sun-
centered model of the universe have in common? - ANSWER-both are poor models of
the universe
, keplers first law of planetary motion says - ANSWER-planets orbit the sun along
elliptical paths
the measurement of how velocity is changing over a period of time is called - ANSWER-
acceleration
galileo's experiment involving rolling objects down inclined surfaces showed which of
the following - ANSWER-for a given angle of inclination, all objects gain speed at the
same rate regardless of their masses
when an objects velocity changes, which of the following must have occurred? -
ANSWER-unbalanced force acting on the object
an example of the difference between your weight and your mass is that - ANSWER-
your weight is different on earth compared to on the moon, but your mass remains
constant everywhere
which of the following is the best definition of energy - ANSWER-ability to do work
the kilowatt-hour is a measure of which of the following - ANSWER-power
the significant kinetic energy of a rifle bullet is mainly dependent upon its - ANSWER-
high speed
potential energy can be thought of as which of the following? - ANSWER-the storage of
energy that is available to do work
which of the following is NOT a kind of potential energy? - ANSWER-thermal
heat energy arises from - ANSWER-the kinetic energies of atoms and molecules in a
substance
which of the following is the best statement regarding the interchangeability of energy? -
ANSWER-any type of energy can be converted into another type of energy
regarding einsteins famous equation relating energy to mass, for mass to have so much
energy requires which of the following to be true? - ANSWER-mass must first emit
significant amounts of light
the interior of earth has gained what fraction of its internal energy from radioactive
decay processes? - ANSWER-1/2
the main source of energy used in the united states is - ANSWER-oil
QUESTIONS AND CORRECT ANSWERS
which of the following is least likely to be categorized as "science" - ANSWER-
determining the aesthetic properties of a famous poem
you notice that when the parchment paper of an ancient document is exposed to a
certain chemical, the parchment paper becomes a different color. What have you done?
- ANSWER-made an observation
quantitative measurements lend themselves more readily to - ANSWER-mathematical
equations
"magnets have two oppositely polarized ends" is which of the following? - ANSWER-a
scientific fact
what is a scientific theory? - ANSWER-a well-substantiated explanatory description of
the world based on a larger number of independently verified observational and
experimental tests
which of the following is an example of a scientific law? - ANSWER-universal gravitation
which of the following is not out of place in the context of the scientific method? -
ANSWER-addressing questions with an open mind
an experiment is performed in which different masses and shapes are dropped from
different heights and the times it takes for each to reach the ground are recorded. which
of the following is the dependent variable? - ANSWER-time
a scientific observation must be which of the following? - ANSWER-reproducible
the study of atoms in combination is known as - ANSWER-chemistry
what is the purpose of peer review in science? - ANSWER-it uses anonymous experts
who determine the worthiness of a particular piece of research
the funding of most scientific research in the united states is provided by which of the
following? - ANSWER-federal government agencies
the first science discipline was what we now call - ANSWER-astronomy
what do the Ptolemaic, earth-centered model of the universe and the Copernican, sun-
centered model of the universe have in common? - ANSWER-both are poor models of
the universe
, keplers first law of planetary motion says - ANSWER-planets orbit the sun along
elliptical paths
the measurement of how velocity is changing over a period of time is called - ANSWER-
acceleration
galileo's experiment involving rolling objects down inclined surfaces showed which of
the following - ANSWER-for a given angle of inclination, all objects gain speed at the
same rate regardless of their masses
when an objects velocity changes, which of the following must have occurred? -
ANSWER-unbalanced force acting on the object
an example of the difference between your weight and your mass is that - ANSWER-
your weight is different on earth compared to on the moon, but your mass remains
constant everywhere
which of the following is the best definition of energy - ANSWER-ability to do work
the kilowatt-hour is a measure of which of the following - ANSWER-power
the significant kinetic energy of a rifle bullet is mainly dependent upon its - ANSWER-
high speed
potential energy can be thought of as which of the following? - ANSWER-the storage of
energy that is available to do work
which of the following is NOT a kind of potential energy? - ANSWER-thermal
heat energy arises from - ANSWER-the kinetic energies of atoms and molecules in a
substance
which of the following is the best statement regarding the interchangeability of energy? -
ANSWER-any type of energy can be converted into another type of energy
regarding einsteins famous equation relating energy to mass, for mass to have so much
energy requires which of the following to be true? - ANSWER-mass must first emit
significant amounts of light
the interior of earth has gained what fraction of its internal energy from radioactive
decay processes? - ANSWER-1/2
the main source of energy used in the united states is - ANSWER-oil