Question 1

One piece of evidence that supports the Big Bang Theory is

Accepted Answer

A)  the confirmation of the prediction that the universe is made of approximately three-fourths hydrogen and one-fourth helium by mass 
B)  that the universe is mostly made of dark energy 
C)  the detection of dark matter in the halos of galaxies 
D)  the fact that the universe has a finite age 
A)  the confirmation of the prediction that the universe is made of approximately three-fourths hydrogen and one-fourth helium by mass 
B)  that the universe is mostly made of dark energy 
C)  the detection of dark matter in the halos of galaxies 
D)  the fact that the universe has a finite age

Question 2

Which of the following materials present in the solar system had the highest condensation temperatures?

Accepted Answer

A)  metals 
B)  rocks 
C)  hydrogen and helium gases 
D)  hydrogen compounds like water, methane, and ammonia 
A)  metals 
B)  rocks 
C)  hydrogen and helium gases 
D)  hydrogen compounds like water, methane, and ammonia

Question 3

The larger moons of the Jovian planets

Accepted Answer

A)  were probably formed from spinning disks of gas that surrounded the planets 
B)  are most likely gravitationally captured asteroids and comets 
C)  formed when large planetesimals collided with them 
D)  were spun out from their parent planets due to their rapid rotation 
A)  were probably formed from spinning disks of gas that surrounded the planets 
B)  are most likely gravitationally captured asteroids and comets 
C)  formed when large planetesimals collided with them 
D)  were spun out from their parent planets due to their rapid rotation

Question 4

The interstellar cloud that formed our solar system rotated more rapidly as it collapsed due to the law of conservation of

Accepted Answer

A)  energy 
B)  mass 
C)  volume 
D)  angular momentum 
A)  energy 
B)  mass 
C)  volume 
D)  angular momentum

Question 5

Compared to its neutral atom, an ion has the same number of

Accepted Answer

A)  protons and neutrons 
B)  protons but a different number of neutrons 
C)  protons but a different number of electrons 
D)  neutrons but a different number of protons 
A)  protons and neutrons 
B)  protons but a different number of neutrons 
C)  protons but a different number of electrons 
D)  neutrons but a different number of protons

Question 6

The process by which molecules condense from a gas directly into a solid is called

Accepted Answer

A)  deposition 
B)  condensation 
C)  sublimation 
D)  gassification 
A)  deposition 
B)  condensation 
C)  sublimation 
D)  gassification

Question 7

According to the nebular theory for the formation of the solar system,

Accepted Answer

A)  planets should be rotating in the same direction as they orbit the Sun 
B)  planets can be rotating in any random direction compared to the direction they orbit the Sun 
C)  planets should be rotating in the opposite direction to the direction they orbit the Sun 
D)  no prediction is made as to the directions of rotations of the planets 
A)  planets should be rotating in the same direction as they orbit the Sun 
B)  planets can be rotating in any random direction compared to the direction they orbit the Sun 
C)  planets should be rotating in the opposite direction to the direction they orbit the Sun 
D)  no prediction is made as to the directions of rotations of the planets

Question 8

Atoms are held together by

Accepted Answer

A)  the electrostatic force of attraction between the protons in the nucleus and the surrounding electrons 
B)  the combined electrostatic force of attraction between the protons and neutrons in the nucleus and the surrounding electrons 
C)  the force of gravitational attraction between the protons in the nucleus and the surrounding electrons 
D)  the electrostatic force of attraction between the neutrons in the nucleus and the surrounding electrons 
A)  the electrostatic force of attraction between the protons in the nucleus and the surrounding electrons 
B)  the combined electrostatic force of attraction between the protons and neutrons in the nucleus and the surrounding electrons 
C)  the force of gravitational attraction between the protons in the nucleus and the surrounding electrons 
D)  the electrostatic force of attraction between the neutrons in the nucleus and the surrounding electrons

Question 9

Most asteroids tend to reside in the asteroid belt due to the gravitation influence of

Accepted Answer

A)  the Sun 
B)  Mars 
C)  Jupiter 
D)  nearby stars 
A)  the Sun 
B)  Mars 
C)  Jupiter 
D)  nearby stars

Question 10

Approximately how many stars are there in the Milky Way galaxy?

Accepted Answer

A)  a few hundred million 
B)  a few hundred thousand 
C)  a hundred billion 
D)  a trillion 
A)  a few hundred million 
B)  a few hundred thousand 
C)  a hundred billion 
D)  a trillion

Question 11

How many neutrons are in an isotope of uranium-235 if uranium has an atomic mass number of 92?

Accepted Answer

A)  143 
B)  235 
C)  92 
D)  327 
A)  143 
B)  235 
C)  92 
D)  327

Question 12

The Voyager 2 probe is currently traveling away from the Sun at a speed of approximately 50,000 km/h. At this speed, how long would it take for Voyager 2 to travel to the nearest solar-type star, Tau Ceti, which 11.9 light years from Earth?

Accepted Answer

A)  12 million years 
B)  260 thousand years 
C)  12 thousand years 
D)  520 thousand years 
A)  12 million years 
B)  260 thousand years 
C)  12 thousand years 
D)  520 thousand years

Question 13

The light-year is defined to be the

Accepted Answer

A)  time it takes light to travel from the Sun to the Earth 
B)  time it takes for light to travel from the nearest star to the Earth 
C)  distance light travels in one year 
D)  average distance between the Earth and the nearest star 
A)  time it takes light to travel from the Sun to the Earth 
B)  time it takes for light to travel from the nearest star to the Earth 
C)  distance light travels in one year 
D)  average distance between the Earth and the nearest star

Question 14

Jupiter's moon Ganymede and Saturn's moon Titan are

Accepted Answer

A)  a similar size to the Earth 
B)  larger than the planet Mercury 
C)  smaller than the Earth's moon 
D)  larger than the Earth 
A)  a similar size to the Earth 
B)  larger than the planet Mercury 
C)  smaller than the Earth's moon 
D)  larger than the Earth

Question 15

Measurement of the position of the peak in an object's thermal spectrum is a measure of its

Accepted Answer

A)  chemical composition 
B)  temperature 
C)  mass 
D)  distance 
A)  chemical composition 
B)  temperature 
C)  mass 
D)  distance

Question 16

The Oort cloud comets were probably

Accepted Answer

A)  captured from interstellar space by the Sun 
B)  once moons of the outer jovian planets Uranus and Neptune 
C)  formed when comets that passed close to one of the jovian planets were flung out into the outer reaches of the solar system 
D)  blasted from dwarf planets like Pluto and Eris 
A)  captured from interstellar space by the Sun 
B)  once moons of the outer jovian planets Uranus and Neptune 
C)  formed when comets that passed close to one of the jovian planets were flung out into the outer reaches of the solar system 
D)  blasted from dwarf planets like Pluto and Eris

Question 17

Due to the vast scale of the universe, when we observe a star in the night sky, we are seeing it

Accepted Answer

A)  not as it is now, but as it will be in the future 
B)  as it was at the moment the universe formed 
C)  as it is right now 
D)  not as it is now, but as it was in the past 
A)  not as it is now, but as it will be in the future 
B)  as it was at the moment the universe formed 
C)  as it is right now 
D)  not as it is now, but as it was in the past

Question 18

According to current astronomical data, approximately how old is the universe?

Accepted Answer

A)  65 million years 
B)  6000 years 
C)  4.6 billion years 
D)  14 billion years 
A)  65 million years 
B)  6000 years 
C)  4.6 billion years 
D)  14 billion years

Question 19

An alternative to the nebular theory for the formation of the solar system suggests that the planets formed from blobs of gas that had been gravitationally pulled out of the Sun during the near-collision with another star. This idea is referred to as the

Accepted Answer

A)  fragmentation hypothesis 
B)  collision-ejection hypothesis 
C)  encounter hypothesis 
D)  tidal distortion hypothesis 
A)  fragmentation hypothesis 
B)  collision-ejection hypothesis 
C)  encounter hypothesis 
D)  tidal distortion hypothesis

Question 20

The nuclei of radioactive isotopes can sometimes give off

Accepted Answer

A)  visible radiation 
B)  UV rays 
C)  gamma rays 
D)  X-rays 
A)  visible radiation 
B)  UV rays 
C)  gamma rays 
D)  X-rays

One piece of evidence that supports the Big Bang Theory is

Which of the following materials present in the solar system had the highest condensation temperatures?

The larger moons of the Jovian planets

The interstellar cloud that formed our solar system rotated more rapidly as it collapsed due to the law of conservation of

Compared to its neutral atom, an ion has the same number of

The process by which molecules condense from a gas directly into a solid is called

According to the nebular theory for the formation of the solar system,

Atoms are held together by

Most asteroids tend to reside in the asteroid belt due to the gravitation influence of

Approximately how many stars are there in the Milky Way galaxy?

How many neutrons are in an isotope of uranium-235 if uranium has an atomic mass number of 92?

The Voyager 2 probe is currently traveling away from the Sun at a speed of approximately 50,000 km/h. At this speed, how long would it take for Voyager 2 to travel to the nearest solar-type star, Tau Ceti, which 11.9 light years from Earth?

The light-year is defined to be the

Jupiter's moon Ganymede and Saturn's moon Titan are

Measurement of the position of the peak in an object's thermal spectrum is a measure of its

The Oort cloud comets were probably

Due to the vast scale of the universe, when we observe a star in the night sky, we are seeing it

According to current astronomical data, approximately how old is the universe?

An alternative to the nebular theory for the formation of the solar system suggests that the planets formed from blobs of gas that had been gravitationally pulled out of the Sun during the near-collision with another star. This idea is referred to as the

The nuclei of radioactive isotopes can sometimes give off

The Science of Life in the Universe

The Habitability of Earth

The Nature of Life on Earth

The Origin and Evolution of Life on Earth

Searching for Life in Our Solar System

Mars

Life on Jovian Moons

The Nature and Evolution of Habitability

Habitability Outside the Solar System

The Search for Extraterrestrial Intelligence

Interstellar Travel and the Fermi Paradox

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Exam 3: The Universal Context of Life

One piece of evidence that supports the Big Bang Theory is

Which of the following materials present in the solar system had the highest condensation temperatures?

The larger moons of the Jovian planets

The interstellar cloud that formed our solar system rotated more rapidly as it collapsed due to the law of conservation of

Compared to its neutral atom, an ion has the same number of

The process by which molecules condense from a gas directly into a solid is called

According to the nebular theory for the formation of the solar system,

Atoms are held together by

Most asteroids tend to reside in the asteroid belt due to the gravitation influence of

Approximately how many stars are there in the Milky Way galaxy?

How many neutrons are in an isotope of uranium-235 if uranium has an atomic mass number of 92?

The Voyager 2 probe is currently traveling away from the Sun at a speed of approximately 50,000 km/h. At this speed, how long would it take for Voyager 2 to travel to the nearest solar-type star, Tau Ceti, which 11.9 light years from Earth?

The light-year is defined to be the

Jupiter's moon Ganymede and Saturn's moon Titan are

Measurement of the position of the peak in an object's thermal spectrum is a measure of its

The Oort cloud comets were probably

Due to the vast scale of the universe, when we observe a star in the night sky, we are seeing it

According to current astronomical data, approximately how old is the universe?

An alternative to the nebular theory for the formation of the solar system suggests that the planets formed from blobs of gas that had been gravitationally pulled out of the Sun during the near-collision with another star. This idea is referred to as the

The nuclei of radioactive isotopes can sometimes give off

The Science of Life in the Universe

The Habitability of Earth

The Nature of Life on Earth

The Origin and Evolution of Life on Earth

Searching for Life in Our Solar System

Mars

Life on Jovian Moons

The Nature and Evolution of Habitability

Habitability Outside the Solar System

The Search for Extraterrestrial Intelligence

Interstellar Travel and the Fermi Paradox

Filters