AS101 Final Exam with all Correct & 100% Verified
Answers |Actual Complete Exam |Already Graded A+
The name of the seven days of the week are based on the:
a.) the brightest stars in each of the seven largest constellations of the ancient world
b.) seven planets closest to the Sun
c.) seven brightest stars in the prominent constellatio Orion.
d.) most popular greek gods
e.) seven naked-eye objects that appear to move among the constellations. ✔Correct Answer-e.)
Ptolemy was important in the history of astronomy because he:
a.) developed the first scientific method of the universe
b.) was the first to create a model of the solar system that placed the sun rather than the Earth at the
centre
c.) was the first to believe that all orbits are perfect circles
d.) developed a model of the solar system that made sufficiently accurate predictions of planetary
positions to remain in use for many centries.
e.) was the first to believe in an Earth-centred universe ✔Correct Answer-d.)
Galileo observed that Jupiter has moons. From this information you may conclude that
a.) Jupiter orbits Earth
b.) Jupiter orbits the Sun
c.) there are so called heavenly objects that do not orbit the earth and although its clear that the
Moon orbits the Earth there is, then, no reason why the Earth-Moon combination cannot orbit the
sun
d.) Jupiter is the centre of the solar system ✔Correct Answer-c.)
How did keplers first law of planetary motion alter the copernican system?
a.) it removed the epicycles from the perfect circle
b.) it placed the sun at the centre of the ellipse
c.) it changed the perfect circles to ellipses
d.) it added epicycles to the perfect cycles
e.) it put the sun at one focus of the ellipse and the planet at the other focus. ✔Correct Answer-c.)
Which of the following best describes the origin of ocean tides on earth?
a.) tides are caused by the difference in the force of gravity exerted by the Moon across the sphere of
the Earth
b.) Tides are caused by the 23.5 tilt of the Earth's rotational axis to the ecliptic plane
c.) Tides are caused by the force of gravity exerted by the moon on earth
d.) The Moons gravity pulls harder on water than on land, because water is less dense than rock
e.) Tides are caused primarily by the gravitational force of the Sun, the Moon has nothing to do with
it. ✔Correct Answer-a.)
The scientific method is best described by which of the following
a.) a system of using other scientists data to refute theories and formulate new ones that suit your
own beliefs and inclinations
b.) A system of collecting and analyzing data, formulating a hypothesis, testing the hypothesis and
reformulating the hypothesis as needed
,c.) A system of using other scientists data and using deductive and inductive reasoning to prove
theories
d.)a system of data collection involving new investigations which hopefully lead to a new, irrefutable
theories resulting in Nobel prizes
e.) a system of collecting and analyzing data and reformulating hypothesis which lead to the
dispelling of or proving old theories. ✔Correct Answer-b.)
What determines the date of easter
a.) the second sunday after the spring equinox
b.) the sunday following the first new moon following the spring equinox
c.) the sunday following the first full moon following the spring equinox
d.) the first sunday after the spring equinox
e.) the sunday before the first new moon, following the spring equinox ✔Correct Answer-c.)
Which statement of the cosmological principle is valid?
a.) it is based on only one tenet and that is the laws of physics and chemistry apply only to our solar
system
b.) It is based on the two tenets involving the universality of the laws of physics and chemistry and
the belief that there is nothing special about the Earth
c.) it is based on only one tenet that there is nothing special about earth
d.) it is based on two tenets involving uniqueness of Earth and the universality of the laws of physics
and chemistry
e.) it is based on three tenets involving the uniqueness of Earth, the universality of the laws of
physics and chemistry, and the concept that our galaxy is the centre of the Universe. ✔Correct
Answer-b.)
Which of the following is not an example of a pseudoscience
a.) tarot cards
b.) reading tea leaves
c.) astrology
d.) palm reading
e.) astronomy ✔Correct Answer-e.)
Humans have been trying to determine the truth behind the workings of the heavens for years.
Which of the following people show a record of interest in anything related to astronomy?
a.) The Mayans civilization in Central America
b.) The Chinese
c.). The Inuit people of northern Canada
d.) only a and B
e.) all of a B and C ✔Correct Answer-E.)
Kepler's third law of planetary motion states that
a.) The semi major axis of a planets orbit is directly proportional to its period of motion around the
sun
b.) The square of the semi minor axis of a planets orbit is directly proportional to the cube of its
period of motion around the sun
c.) The semi major axis of a planets orbit is directly proportional to the cube of its period of motion
around the sun
d.) The cube of the semi major axis of a planets orbit is directly proportional to the square of its
period of motion around the sun
, e.) The square of the semi minor access of the planets orbit is directly proportional to its period of
motion around the sun ✔Correct Answer-d.)
Suppose a planet is discovered orbiting a star in a highly elliptical orbit well the planet is close to the
star it. But while it is far away it. .
a.) rotate faster, rotate slower
b.) moves slower, moves faster
c.) moves faster, moves slower
d.) rotate slower, rotates faster
e.) moves slower, rotates faster ✔Correct Answer-c.)
Which of the following is not part of newtons universal law of gravitation?
a.) The gravitational attraction between two objects depends directly on the distance between their
centres of mass
b.) The gravitational attraction between two objects depends on the product of their masses
c.) if the suns mass were to suddenly be reduced to 50% of its present mass the force of gravity on
the earth caused by the sun would be exactly half of what it is now
d.) The gravitational attraction between two objects depends inversely as the square of the distance
between their centres of mass
e.) The force of gravity between earth and mars depends on both the mass of Mars and the mass of
earth ✔Correct Answer-C.)
When Copernicus first created his sun-centred model of the universe it did not lead to substantially
better predictions of planetary positions than the Ptolemaic model, why not?
a.) Copernicus used perfect circles for the orbits of the planets
b.) copernicus placed to the planets in the wrong order going outward from the sun
c.) he misjudged the speed at which the planets orbit the sun
d.) he misjudged the distances between the planets
e.) he placed the sun at the centre but did not realize that the moon orbits the earth ✔Correct
Answer-a.)
Which of the following is not a unit of speed?
a.) Kilometer/light here
b.) meters/day
c.) light years/minute
d.) Centimeters/second
e.) Kilometers/hour ✔Correct Answer-a.)
A skater can spin faster by pulling in her arms closer to her body or spin slower by spreading her
arms out from her body. This is due to
a.) The conservation of angular momentum
b.) The conservation of momentum
c.) The small frictional force between her skates and the ice
d.) The conservation of energy because energy can't be created or destroyed
e.) The law of inertia ✔Correct Answer-a.)
Which of the statements about Isaac Newton is not true?
a.) developed the mathematics of calculus
b.) develop the famous laws known as the laws of motion
c.) was born in the same year that Galileo died
d.) was born on Christmas day 1642
Answers |Actual Complete Exam |Already Graded A+
The name of the seven days of the week are based on the:
a.) the brightest stars in each of the seven largest constellations of the ancient world
b.) seven planets closest to the Sun
c.) seven brightest stars in the prominent constellatio Orion.
d.) most popular greek gods
e.) seven naked-eye objects that appear to move among the constellations. ✔Correct Answer-e.)
Ptolemy was important in the history of astronomy because he:
a.) developed the first scientific method of the universe
b.) was the first to create a model of the solar system that placed the sun rather than the Earth at the
centre
c.) was the first to believe that all orbits are perfect circles
d.) developed a model of the solar system that made sufficiently accurate predictions of planetary
positions to remain in use for many centries.
e.) was the first to believe in an Earth-centred universe ✔Correct Answer-d.)
Galileo observed that Jupiter has moons. From this information you may conclude that
a.) Jupiter orbits Earth
b.) Jupiter orbits the Sun
c.) there are so called heavenly objects that do not orbit the earth and although its clear that the
Moon orbits the Earth there is, then, no reason why the Earth-Moon combination cannot orbit the
sun
d.) Jupiter is the centre of the solar system ✔Correct Answer-c.)
How did keplers first law of planetary motion alter the copernican system?
a.) it removed the epicycles from the perfect circle
b.) it placed the sun at the centre of the ellipse
c.) it changed the perfect circles to ellipses
d.) it added epicycles to the perfect cycles
e.) it put the sun at one focus of the ellipse and the planet at the other focus. ✔Correct Answer-c.)
Which of the following best describes the origin of ocean tides on earth?
a.) tides are caused by the difference in the force of gravity exerted by the Moon across the sphere of
the Earth
b.) Tides are caused by the 23.5 tilt of the Earth's rotational axis to the ecliptic plane
c.) Tides are caused by the force of gravity exerted by the moon on earth
d.) The Moons gravity pulls harder on water than on land, because water is less dense than rock
e.) Tides are caused primarily by the gravitational force of the Sun, the Moon has nothing to do with
it. ✔Correct Answer-a.)
The scientific method is best described by which of the following
a.) a system of using other scientists data to refute theories and formulate new ones that suit your
own beliefs and inclinations
b.) A system of collecting and analyzing data, formulating a hypothesis, testing the hypothesis and
reformulating the hypothesis as needed
,c.) A system of using other scientists data and using deductive and inductive reasoning to prove
theories
d.)a system of data collection involving new investigations which hopefully lead to a new, irrefutable
theories resulting in Nobel prizes
e.) a system of collecting and analyzing data and reformulating hypothesis which lead to the
dispelling of or proving old theories. ✔Correct Answer-b.)
What determines the date of easter
a.) the second sunday after the spring equinox
b.) the sunday following the first new moon following the spring equinox
c.) the sunday following the first full moon following the spring equinox
d.) the first sunday after the spring equinox
e.) the sunday before the first new moon, following the spring equinox ✔Correct Answer-c.)
Which statement of the cosmological principle is valid?
a.) it is based on only one tenet and that is the laws of physics and chemistry apply only to our solar
system
b.) It is based on the two tenets involving the universality of the laws of physics and chemistry and
the belief that there is nothing special about the Earth
c.) it is based on only one tenet that there is nothing special about earth
d.) it is based on two tenets involving uniqueness of Earth and the universality of the laws of physics
and chemistry
e.) it is based on three tenets involving the uniqueness of Earth, the universality of the laws of
physics and chemistry, and the concept that our galaxy is the centre of the Universe. ✔Correct
Answer-b.)
Which of the following is not an example of a pseudoscience
a.) tarot cards
b.) reading tea leaves
c.) astrology
d.) palm reading
e.) astronomy ✔Correct Answer-e.)
Humans have been trying to determine the truth behind the workings of the heavens for years.
Which of the following people show a record of interest in anything related to astronomy?
a.) The Mayans civilization in Central America
b.) The Chinese
c.). The Inuit people of northern Canada
d.) only a and B
e.) all of a B and C ✔Correct Answer-E.)
Kepler's third law of planetary motion states that
a.) The semi major axis of a planets orbit is directly proportional to its period of motion around the
sun
b.) The square of the semi minor axis of a planets orbit is directly proportional to the cube of its
period of motion around the sun
c.) The semi major axis of a planets orbit is directly proportional to the cube of its period of motion
around the sun
d.) The cube of the semi major axis of a planets orbit is directly proportional to the square of its
period of motion around the sun
, e.) The square of the semi minor access of the planets orbit is directly proportional to its period of
motion around the sun ✔Correct Answer-d.)
Suppose a planet is discovered orbiting a star in a highly elliptical orbit well the planet is close to the
star it. But while it is far away it. .
a.) rotate faster, rotate slower
b.) moves slower, moves faster
c.) moves faster, moves slower
d.) rotate slower, rotates faster
e.) moves slower, rotates faster ✔Correct Answer-c.)
Which of the following is not part of newtons universal law of gravitation?
a.) The gravitational attraction between two objects depends directly on the distance between their
centres of mass
b.) The gravitational attraction between two objects depends on the product of their masses
c.) if the suns mass were to suddenly be reduced to 50% of its present mass the force of gravity on
the earth caused by the sun would be exactly half of what it is now
d.) The gravitational attraction between two objects depends inversely as the square of the distance
between their centres of mass
e.) The force of gravity between earth and mars depends on both the mass of Mars and the mass of
earth ✔Correct Answer-C.)
When Copernicus first created his sun-centred model of the universe it did not lead to substantially
better predictions of planetary positions than the Ptolemaic model, why not?
a.) Copernicus used perfect circles for the orbits of the planets
b.) copernicus placed to the planets in the wrong order going outward from the sun
c.) he misjudged the speed at which the planets orbit the sun
d.) he misjudged the distances between the planets
e.) he placed the sun at the centre but did not realize that the moon orbits the earth ✔Correct
Answer-a.)
Which of the following is not a unit of speed?
a.) Kilometer/light here
b.) meters/day
c.) light years/minute
d.) Centimeters/second
e.) Kilometers/hour ✔Correct Answer-a.)
A skater can spin faster by pulling in her arms closer to her body or spin slower by spreading her
arms out from her body. This is due to
a.) The conservation of angular momentum
b.) The conservation of momentum
c.) The small frictional force between her skates and the ice
d.) The conservation of energy because energy can't be created or destroyed
e.) The law of inertia ✔Correct Answer-a.)
Which of the statements about Isaac Newton is not true?
a.) developed the mathematics of calculus
b.) develop the famous laws known as the laws of motion
c.) was born in the same year that Galileo died
d.) was born on Christmas day 1642
