Science

What is the present country Aristotle was born in?. Greece. Italy. Macedonia. Turkey.

What century was Aristotle born in?. Fourth century BC. Third century AD. Fifteenth century AD. Eighteenth century AD.

What is the most notable feature of Aristotle's model of the universe?. It placed the Sun in the center of the universe. It placed the Earth in the center of the universe. He thought the universe was limitless. He thought that there were no heavenly bodies rotating around the Earth.

Who was Aristotle's most important master?. Plato. Socrates. Democritus. Empedocles.

Who was Aristotle's most famous disciple?. Socrates. Julius Caesar. Alexander the Great. Cleopatra.

What theory of the cosmos did Aristotle advocate for?. The geocentric theory. The heliocentric theory. The selenecentric theory. None of the other answers.

Where was Ptolemy born?. Egypt. Greece. Turkey. Italy.

What century did Ptolemy live in?. Second century AD. Fourth century BC. Fifteenth century AD. Eighteenth century AD.

Whose ideas did Ptolemy use to propose a model of the universe?. Plato's. Aristotle's. Cleopatra's. Galilei's.

What was Ptolemy's most important work?. Mechanica. De stella nova. Almagestum. Sidereus nuncius.

In what way was Ptolemy's model innovate?. The Earth is not spherical; it is flat. The Earth is at the center of the universe. The planets effect two circular turns simultaneously. There are many other planets rotating around the Earth.

Why did Ptolemy have to modify the prevailing model at that time?. Because it did not explain the motion of planets correctly. Because new planets had been discovered and had to be added to the model. Because it could not account for the phenomenon of seasons. Because it could not account for the eclipses.

Where was Copernicus born?. Poland. Russia. Germany. Italy.

What century was Copernicus born in?. Fourth century BC. Fifteenth century AD. Eighteenth century AD. Ninth century AD.

What was notable about Copernicus' model?. It placed the Earth at the center of the universe. It placed the Sun at the center of the universe. He thought the universe was spherical. He thought that there were no heavenly bodies rototating around the Earth.

What was Copernicus most revelant work?. De stella nova. Sidereus nuncius. De revolutionibus orbium coelestium. Philosophiæ naturalis principia mathematica.

Who defended Copernicus' model after his death?. Claudius Ptolemy. Leonardo da Vinci. Galileo Galilei. Christopher Columbus.

What theory did Copernicus advocate for in his most important work?. The geocentric theory. The heliocentric theory. The selenecentric theory. None of the previous options.

What Greek thinker had advocated of the heliocentric theory as Copernicus a few centuries before?. Aristotle. Thales of Miletus. Socrates. Aristarchus of Samos.

Where was Kepler born?. Poland. Switzerland. Germany. Austria.

What century was Kepler born in?. Third century AD. Sixteenth century AD. Eighteenth century AD. Nineteenth century AD.

What was notable about Kepler's model?. He thought the universe was spherical. It placed the Earth at the center of the universe. He stated that the paths the planets drew were not circular. He thought that there were no heavenly bodies rotating around the Earth.

What was Kepler's most important work for cosmology?. De stella nova. Sidereus nuncius. Astronomia Nova. Philosophiae naturalis.

Who provided Kepler with the best data on astronomical observations at the time?. Tycho Brahe. Galileo Galilei. Christiaan Huygens. Isaac Newton.

What theory did Kepler advocated?. The geocentric theory. The heliocentric theory. The selenecentric theory. None of the previous options.

What was Kepler's other contribution that contradicted the previous ideas about the universe?. The Sun is at the center of the universe. The planets are not spherical bodies. The Moon is not the heavenly body closest to Earth. The planets do not move at a constant speed.

Which of the following suggestions did Kepler add to his model of the universe?. He placed the Sun at the center of the universe. He proposed that all the planets were objects similar to the Earth. He proposed that the Moon was the only object that rotates around the Earth. He proposed that the motion of some celestial bodies was neither circular nor uniform. He eliminated the spheres of the planets.

Put the planets in order, from the nearest to farthest from the Sun. Venus. Earth. Mars. Jupiter. Mercury. Saturn. Uranus. Neptune.

Put the planets in order from largest to smallest. Venus. Earth. Mars. Jupiter. Mercury. Saturn. Uranus. Neptune.

A __________ of the solar system is a celestial body that orbits around a planet of the solar system. Planetoid. Asteroid. Satellite. Meteoroid.

A ______ orbits around the Sun, has enough mass for the force of gravity to have given it an almost spherical shape and has "cleared" the neighborhood of its orbit of other small bodies. Planet. Comets. Asteroids. Meteoroids.

A _____ orbits around the Sun, has enough mass for its force of gravity to have given it an almost spherical shape and has not "cleared" the neighborhood of its orbit of other small bodies. Dwarf planets. Comets. Meteoroids. Asteroids.

What are the characteristics of Aristotle's cosmos model?. The Universe is spherical and has a limit. The Earth is at the center of the Universe. The Sun is at the center of the Universe. The Earth is not a planet. The moon rotates around the Sun. The planets rotate around the Sun. The Sun rotates around the Earth. Both the planets and the Sun travel in circular paths.

What are the main characteristics of Ptolemy's model of the cosmos?. The universe is limitless. The universe is spherical and has a limit. The Earth is at the center of the universe. The Sun is at the center of the universe. The Earth is not a planet. The moon rotates around the Sun. The planets rotate around the Sun. The Sun rotates around the Earth. The Earth remains still.

Which of the following contributions to the model of the universe were made by Copernicus?. He proposed that the motion of some celestial bodies was riot circular and uniform. He proposed that all the planets were objects similar to the Earth. He eliminated the spheres of the plantets. The Moon is the only object that rotates around the Earth. He placed the Sun at the center of the Universe.

Acording to the big bang theory the universe was concentrated in: A small point, time and space didn't exist. A huge point, time and space didn't exist. A small point, time and space existed. A huge point, time and space existed.

The universe has been expanding for around. 13 billion years. 7 billion years. 15 billion year. 3 billion years.

Rocky bodies that are too small to have spherical shape: Asteroids. Planets. Dwarf planets. Comets.

Spherical and rocky bodies of medium sizes: Asteroids. Dwarf planets. Comets. Planets.

Celestial bodies made of ice and rock that orbit around the Sun: Comets. Asteroids. Planets. Dwarf planets.

What is the speed of light?. 300.000 km/s. 30.000 km/s. 200.000 km/s. 400.000 km/s.

A _______ are huge areas of interstellar space with a higher concentration of gas and dust. Galaxy. Nebulae. Comet. Asteroid.

The Solar System is in this galaxy: Milky Way. Andromeda. Sombrero galaxy. Cigar galaxy.

How it is called the smaller nebulae?. Planetary nebulae. Small nebulae. Little nebulae. Cosmologic nebulae.

How are the galaxies moving away from each other?. The farther away a galaxy is, the faster it is moving away. The farther away a galaxy is, the slower it is moving away. The closer away a galaxy is, the faster it is moving away. The closer away a galaxy is, the slower it is moving away.

The Earth rotation is. From the west to the east. From the east to the west. From the north to the south. From the south to the north.

How long is the Earth's rotation?. 1 day. 365 days. 12 hours. 1 month.

How long is the Earth's orbit?. 1 day. 30 days. 365 days. 1 month.

The days of the year on which the Sun's rays shine perpendicular to the Earth's equator. Season. Equinoxes. Solstices. Eclipses.

The days of the year on which the Sun's rays that fall perpendicular onto the Earth's surface are at their maximum distante from the equator. Seasons. Equinoxes. Solstices. Eclipses.

When a celestial body is partially or totally hidden because another body comes in between that body and an observer. Eclipse. Season. Equinoxes. Solstices.

How long is the Moon's orbital motion?. 24 hours. 30 days. 27 days. 1 week.

How long is the Moon's rotational motion?. 24 hours. 27 days. 30 days. 1 week.

The Sun is completely hidden by the Moon: Total eclipse. Partial eclipse. Eclipse. Annular eclipse.

The Moon does not hide the Sun completely. Total eclipse. Eclipse. Partial eclipse. Annular eclipse.

When the satellite only obscures the center of the star. Eclipse. Total eclipse. Partial eclipse. Annular eclipse.

How it is called when the Moon is not visible?. New Moon. Full Moon. Waxing Crescent. Waxing Gibbous.

How it is called when the Moon appears to be partly but less than one-half illuminated by direct sunlight and the part that is illuminated is increasing?. New Moon. Full Moon. Waxing Crescent. Waning Crescent.

How it is called when one-half of the Moon appears to be illuminated by direct sunlight and the part that is illuminated is increasing?. First Quarter. Last Quarter. Waxing Gibbous. Waning Gibbous.

How it is called when the Moon appears to be more than one-half but not fully illuminated by direct sunlight and the part that is illuminated is increasing?. Waxing Gibbous. Waning Gibbous. Waning Crescent. Waxing Crescent.

How it is called when the Moon appears to be more than one-half but not fully illuminated by direct sunlight and the part that is illuminated is decreasing?. Waning Gibbous. Waning Crescent. Waxing Gibbous. Waxing Crescent.

How it is called when one-half of the Moon appears to be illuminated by direct sunlight and the part that is illuminated is decreasing?. Full Moon. New Moon. First Quarter. Last Quarter.

How it is called when the Moon appears to be partly but less than one-half illuminated by direct sunlight and the part that is illuminated is decreasing?. Waning Crescent. Waning Gibbous. Waxing Gibbous. Waxing Crescent.

When the Earth is aligned between the Sun and the Moon is a: Solar eclipse. Lunar eclipse. Eclipse. Tidal circle.

What influences the tides?. The Moon. The Earth. The Sun. The seasons.

What influences the monthly tidal cycle?. The Sun and the Moon. The Sun and the Earth. The Earth and the Moon. The Moon.

What is the smallest planet?. Mercury. Mars. Venus. Pluto.

Which planets do not have satellites?. Mercury. Venus. Earth. Mars. Jupiter. Saturn. Uranus. Neptune.

Which is the planet with the highest density?. Earth. Mars. Mercury. Saturn.

What planet rotates from east to west?. Mercury. Saturn. Venus. Neptune.

What planet has active volcanoes on its surface?. Venus. Mars. Uranus. Jupiter.

What is the only planet with liquid water?. Mars. Earth. Venus. Jupiter.

Why is Mars red?. Because of the abundance of iron oxide. Because of the abundance of hydrogen. Because of the abundance of helium. Because of the abundance of carbon dioxide.

Mars' satellites are: Phobos and Deimos. Europa and Calisto. Titan and Titania. Triton and Io.

What's the biggest planet?. Jupiter. Saturn. Uranus. Neptune.

Why is Jupiter brown and yellow?. Because of hydrogen and helium. Because of the hydrogen. Because of helium. Because of carbon dioxide.

What is the most important satellite of Saturn?. Titan. Titania. Triton. Ganimedes.

When was Uranus discovered?. 1781 by William Herschel. 1871 by William Herschel. 1781 by Walter Herschel. 1871 by Walter Herschel.

What is the core of Uranus surrounded by?. Methane, water and ammonia. Methane, water and hydrogen. Methane, helium and ammonia. Hydrogen, helium and methane.

What does the atmosphere of Uranus contain?. Hydrogen, helium and methane. Water, helium and methane. Hydrogen, ammonia and methane. Hydrogen, helium and oxygen.

Which planet has an active atmosphere?. Neptune. Saturn. Venus. Earth.