CURIOUSITY QUIZ: OUR SOLAR SYSTEM

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Test Your knowledge on 'Our Solar System' devised according to the DAV school science syllabus of 'My Living World' for Class-5. Attempt all the questions by clicking on the right option. Submit the completed Form by clicking the 'Submit' button at the end of the Form. Get your score and the correct answer by clicking the 'View score' button. Good Luck! (Although the quiz is primarily meant for Class-5, students from Class-6 to Class-10 can, however, participate and enjoy the fun of the quiz.) You can also write your comments on the quiz in the Comment space given at the end of this Page or send your comments and questions related to this quiz for answer directly to the email account given below:

curiousitygroi@gmail.com

Before attempting the quiz, you may read an overview of the topic given below which will make you feel easier to answer the questions.

Overview:

The Sun has a family of eight planets moving around it in fixed paths known as the Solar System. The Sun is a star because it has its own source of energy in the form of light and heat and other forms of radiation. The four nearby planets to the Sun, i.e. Mercury, Venus , Earth and Mars are known as Rocky planets as their cores are mostly made up of rocks. The remaining planets are known as the Gaseous giants as they are huge in size and primarily made up of gas. Mercury is the closest planet to the Sun. It has no atmosphere. Venus is the brightest planet and commonly known as the Evening star. It is also the hottest planet of the Solar System as its carbon dioxide rich gaseous atmosphere traps most of the heat received from the Sun due to greenhouse effect. The Earth is the densest planet of the Solar System. It is the only known planet in the whole universe to possess life. It is situated at the right distance from the Sun to receive just the heat needed for sustaining life. It has also an ozone layer to protect life from the hazardous ultraviolet radiations of the Sun. The red planet Mars is the only planet where life could exist apart from Earth. Jupiter is the largest planet of the Solar System and is often called a Failed star as it ran short of becoming a star due to a little less mass. The planet Saturn is unique because it possesses a bright ring which can be clearly seen with a small telescope. Unlike other planets, the Uranus axis is highly tilted towards the Sun, making the duration of seasons very long there. The last planet of the Solar System , Neptune, is known for its high velocity wind systems. Apart from the planets, there is a band of minor planets, called the Asteroid Belt, in between the orbits of Mars and Jupiter. Moon is the natural satellite of Earth. Its surface is full of craters which were caused due to meteorite impacts long ago. Galileo discovered the four bigger moons of Jupiter with his telescope in 1609. While Ganymede of Jupiter is the largest moon of the Solar System , Deimos of Mars is the smallest moon.

Now attempt the quiz.

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Who was the first astronomer to have found that the orbits of planets around the Sun were not perfectly circular, but elliptical (flattened circles) in shape?

1 point

Aristotle (384 BC)

Nicolaus Copernicus (1473-1543)

Aryabhata (476–550 CE)

Johannes Kepler (1571-1630)

Clear selection

A planet is often referred to as a dry , hot and airless body as it does not have any atmosphere around it. Name the planet.

1 point

Mercury

Venus

Jupiter

Saturn

Clear selection

Which is the third largest planet of our Solar System?

1 point

Saturn

Neptune

Uranus

Venus

Clear selection

Which planets are referred to as the Gaseous giants because of their enormous size and gaseous composition ?

1 point

Jupiter, Mars, Uranus and Neptune

Jupiter, Saturn, Venus and Neptune

Jupiter, and Saturn

Jupiter, Saturn, Uranus and Neptune

Clear selection

Which planets are referred to as rocky planets because of the rocky composition of their cores ?

1 point

Jupiter, Saturn, Uranus and Neptune

Mercury, Venus, Earth and Mars

Mercury, Venus, Mars and Jupiter

Mercury, Venus and Mars

Clear selection

Venus appears very bright in the sky and it is indeed the brightest planet of our Solar System. What is the reason for its unusual brightness ?

1 point

It is very close to the Sun

It appears very bright as it is visible in the sky only in the evening time.

Its thick carbon dioxide rich atmosphere reflects large amount of sunlight falling on it.

It appears brightest as it traps a large quantity of heat energy from the Sun because of greenhouse effect.

Clear selection

The Earth is a very unique and special planet because of the fact that it sustains life on it . Life is possible on the Earth because :

1 point

It has an atmosphere that contains the right kind of gases in right proportions.

It has a range of temperature that allows water to exists in all its three different forms ( i.e. solid, liquid and gas)

It is located at the right distance from the Sun so as to receive the right amount of solar energy needed for sustenance of organic life.

It has an ozone layer to protect itself from the harmful radiations coming from the Sun and outer space.

All the above answers are correct

None of the above answer is correct.

Clear selection

Which planet is often referred to as a dark, cold and very windy planet ?

1 point

Jupiter

Saturn

Uranus

Neptune

Clear selection

Pluto was regarded as a planet of our Solar System till 2006. But now, we no longer consider Pluto as a member of the Solar System. This is due to the fact that :

1 point

Pluto no longer exists in the sky.

Pluto has gone out of our Solar System limits.

Pluto is very far from our Sun.

Pluto did not fit into the revised definition of planets as decided by the astronomers of the International Astronomical Union (IAU) in their meeting in Prague on 26th August, 2006.

Clear selection

We are able to see the various changing shapes of the Moon ( the Phases) from day to day. This is because of the :

1 point

Difference of the relative positions of the Sun and the moon with respect to the Earth.

Difference of the relative positions of the Earth and the Sun with respect to the Moon.

Difference of the relative positions of the Earth and the moon with respect to the Sun.

The Moon has no light of its own as simply shines by the sunlight.

Clear selection

INSAT series of artificial satellites launched by India are basically geo-stationery satellites that help in communication for relaying live event across the Earth. They appear to be stationery in the sky because :

1 point

They do not actually move in the sky .

They use to revolve very slowly around the Earth.

They take as much time to complete one orbit around the Earth as the time taken by the Earth to complete one rotation about its own axis.

These satellites are gravitationally locked to the Earth.

Clear selection

I am the second brightest planet in the Solar System and ,hence, clearly visible to naked eye . I rotate very fast about my own axis. I am composed entirely of hydrogen gas as I have no solid surface and, hence, a rocket cannot land on me. The Italian astronomer Galileo discovered four of my bigger moons. The Hindus believe me as the Guru of the Devas and used to associate me with knowledge and wisdom. Identify me:

1 point

Mars

Jupiter

Saturn

Uranus

Clear selection

A planet believed to have possessed life forms much like the Earth and most aliens, the strange human like creatures from space, are supposed to visit our earth from time to time from this planet . Identify the planet.

1 point

Mars

Jupiter

Saturn

Uranus

Clear selection

I am one of the largest planets of the solar family. I look very special even with a small telescope with my rare appendage. Although Galileo first observed me with his telescope, it was the Dutch astronomer Christian Huygens who first correctly understood my unique feature. The Hindus believe me as the son of Lord Surya and consider me as the most dreadful 'Graha' for inflicting punishment to people resorting to injustice and evil deeds. Identify me:

1 point

Mars

Jupiter

Saturn

Uranus

Clear selection

He first discovered that Saturn's visible ring is not a continuous one; but a large dark gap exists between its Rings A and B (and the division is named after him). Can you name him ?

1 point

Johan Galle

Christian Huygens

Giovani Domenico Cassini

William Herschel

Clear selection

The visible round face of the Sun is known as :

1 point

Corona Sphere

Bright Sphere

Photosphere

Chromosphere

Clear selection

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