Morning Star solutions for Total Geography [English] Class 9 ICSE chapter 1 - Earth as a Planet [Latest edition]

Short Answer Question:

How can you prove that the earth is a sphere by looking at the horizon?

Short Answer Question:

Briefly describe the shape of the earth.

Short Answer Question:

What is the earth’s mean temperature? State its one advantage.

Short Answer Question:

Why is the earth called a watery planet?

Short Answer Question:

What is the ‘biosphere’?

Short Answer Question:

Name the conditions necessary for life on earth.

Short Answer Question:

Give any two features of the earth that make it a ‘Unique Planet’.

Short Answer Question:

Why is the planet Venus hotter than the planet Mercury?

Short Answer Question:

Name the two sources of heat in the interior of the earth.

Short Answer Question:

What is meant by Terrestrial Life?

Short Answer Question:

Name the members of the Solar System.

Short Answer Question:

What is a planet?

Short Answer Question:

What is meant by Inner Planets? Name them.

Short Answer Question:

Why are the inner planets called the terrestrial planets?

Short Answer Question:

What are the Jovian planets? Name them.

Short Answer Question:

How big is the sun? Describe its size with respect to the earth.

Short Answer Question:

Distinguish the earth from the other planets in one important aspect.

Short Answer Question:

How did the earth get its atmospheric blanket?

Fill in the blank:

The Pole Star can be seen at an angle of _____ at the North Pole.

Fill in the blanks:

The earth rotates from ____ to ____.

Fill in the blank:

________is the narrow zone of contact between lithosphere, hydrosphere, and atmosphere.

Fill in the blank:

The earth has an average temperature of _______.

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___________is the major reservoir of carbon on the earth.

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In terms of size, the earth is ________ planet in the Solar System.

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Eratosthenes worked out the circumference of the earth to be _______ km.

Fill in the blank:

A typical galaxy may contain ___________ stars.

Study the picture and answer the questions that follow.

(a) What does the picture show you about the earth?
(b) State briefly the Bedford Level Experiment.
(c) The sun rises and sets at different times in different places. What does the statement show the shape of the earth?
(d) In what way is the earth’s atmosphere beneficial to mankind?

Provide reliable evidence to prove that the earth is spherical in shape.

Give the distinctive features of the earth as a unique planet. Also, give three points of comparison with respect to other planets.

Describe the role of the following in making the earth a habitable planet.

Atmosphere

Describe the role of the following in making the earth a habitable planet.

Water

Describe the role of the following in making the earth a habitable planet.

Temperature

Name the different realms of the earth.

Study the picture and answer the questions that follow.

(a) What is meant by the Solar System?
(b) Give two differences between a planet and a star.
(c) Name the planets known as terrestrial planets.
(d) Give two advantages the earth has over other planets.
(e) What are satellites?

Write a short note on the planets of the Solar System. Name the planets in order of their distance from the sun.

Distinguish between a planet and a star.

In which unit the distances of universe are measured?

How much time does a ray of sunlight take to reach the Earth?

How much time does a ray of moonlight take to reach the Earth?

How many planets are there in the Solar System?

Name the largest planet of the Solar System.

Name the planet closest to the Sun.

Name the planet farthest from the Sun.

What is the position of the Earth from the Sun?

Name the planets between the Sun and the earth.

Which planet is known as ‘blue planet’?

Which planet is known as the ‘red planet’?

Which is the brightest planet?

Which planet has the largest number of satellites?

Which planet has only one satellite?

Which planet has three rings around it?

Which star is known as ‘Evening Star or “Morning Star”?

How many satellites are there in Solar System?

Which is the center of the Solar System-Sun or Earth?

What is the period of rotation of Moon?

‘Although the Moon has no light of its own, yet it shines’. Why?

Mention two important features of Earth that make it a planet suitable for life.

State three unique features of the Earth.

State three factors which have made life possible on the Earth and on no other planet.

Give a reason for the following:

 Earth is called a “Watery Planet”

Give a reason for the following:

Earth has the most ideal temperature conditions.

Give a reason for the following:

Earth and its Moon are called a double planet.

Draw a fully labelled diagram of the water cycle and explain its working and significance with reference to the diagram.

What makes our Sun as an ordinary star in the universe?

What heavenly bodies are the members of the Solar System?

Arrange the nine planets of the solar system in order of their sizes.

Why do planets, being opaque bodies, shine in the sky?

Distinguish between the following pair.

Superior and Inferior planets.

Distinguish between the following pair.

Planet and Planetoids

Distinguish between the following pair.

Periodical and Non-periodical comets

Distinguish between the following pair.

Meteors and Meteorites

Distinguish between the following pair.

Planet and Satellite.

Distinguish between inner and outer planets.

How many satellites are there in the Solar System?

Name the planet having no satellite.

Which planet has the largest number of satellites?
Or
Name the largest known satellite of any planet.

Why is the following planet not inhabitable?

Mercury

Why is the following planet not inhabitable?

Venus

Why is the following planet not inhabitable?

Jupiter

Why is the following planet not inhabitable?

Neptune

Why is the following planet not inhabitable?

Saturn

Name the following:

Two planets which are nearer to the sun than the Earth.

Name the following:

Two planets which are farther from the sun than the Earth.

Name the following:

The planet farthest from the Sun.

Name the following:

The planet nearest to the Sun.

Which is the unit adopted for measuring the distance in the Universe? Give a reason for its choice.

Find out the number of years to reach the following celestial bodies from the Earth: Nearest star from the Earth (Distance 150 million km)

Which unit is used for measuring distances in the universe?

What makes the Sun so hot?

Name the three planets which have rings around them.

Give reasons for the following:

Mercury completes its orbit in less time than the Earth.

Give reasons for the following:

Venus is considered as the Earth’s twin.

Give reasons for the following:

No life is possible on Saturn.

Give reasons for the following:

Pluto is the coldest planet.

Give reasons for the following:

Comets appear very rarely.

What do you understand by ‘Terrestrial Planet’?

Why does the moon appear big in the sky though it is smaller than other heavenly bodies?

The shape of the earth is not exactly that of a sphere Why?

Why is Mercury the hottest planet of the Solar System?

Why is Neptune the coldest planet of the Solar System?

‘Venus is considered Earth’s Twin’. Why?

Describe the position of the Earth in the Solar System.

 What is the size of the Earth?

Which is the satellite of the Earth?