Discussion Questions
1.
When
Jupiter is
at
opposition,
it is
overhead
at:
A. new.
B. full.
C. first quarter.
D. last quarter.
Discussion Questions
2. Newtonian mechanics, which describes
the motion of objects when forces are
exerted on them, was accepted as a
scientific theory that describes nature
approximately 400 years ago. It was
accepted because it
was proposed by someone we now know to be a
genius.
B. was derived from fundamental mathematical
principles.
C. was handed down to us by the Greeks.
D. predicted how objects move under the action of
a force.
A.
Discussion Questions
3. Which of the following would
cause a scientific theory to be
rejected?
A. It does not agree with previous theories.
B. It does not correctly predict experimental
observations.
C. Most scientists consider the theory to be
wrong.
D. The technology has not yet been developed
that can make the observations to test the
theory.
Discussion Questions
4. If the distance between a planet
and the Sun is doubled, how does the
gravitational attraction between the
two bodies change?
A. It increases by a factor of 2.
B. It increases by a factor of 4.
C. It decreases by a factor of 2.
D. It decreases by a factor of 4.
E. Not enough information is provided.
Discussion Questions
5. The gravitational force between
the Earth and Sun is
about the same as the gravitational force between
the Moon and Sun because the Earth and the Moon
are about the same distance from the Sun.
B. larger than the gravitational force between the
Moon and Sun because the Earth and the Moon
are about the same distance from the Sun and
the Earth has a larger mass.
C. smaller than the gravitational force between the
Moon and Sun because the Earth and the Moon are
about the same distance from the Sun and the Earth
has a larger mass.
D. Not enough information is given to determine which
is correct.
A.