Stars and the Solar System Test

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Stars and the Solar System Test - 1

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Weekly Quiz Competition

Question 1
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The decreasing size of the Moon from a 'Full Moon' to a 'New Moon' is called the _______.

A
waning of the Moon

B
waxing crescent

C
waxing gibbous Moon

D
waning crescent Moon

Solution

'Waning Moon' means the Moon is decreasing in size, moving from the 'Full Moon' towards the 'New Moon'.
Question 2
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Why is life not possible on the Moon?

A
Because the surface of the Moon is dusty

B
Because the surface of the Moon is barren

C
Because the Moon has no atmosphere

D
Because there are many craters of different sizes

Solution

The Moon has no atmosphere, so life is not possible on the Moon. Without any atmosphere, or the ability to create one, the moon cannot provide the basic conditions for life to develop.
Question 3
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When does the lunar eclipse occur?

A
When the Earth lies between the Sun and the Moon in a straight line

B
When the Sun lies between the Earth and the Moon in a straight line

C
When the Moon lies between the Sun and the Earth in a straight line

D
Nothing can be said.

Solution

A lunar eclipse occurs when the Moon passes directly behind the Earth and into its shadow. This occurs only when the Sun, Earth, and Moon are exactly or very closely aligned, with Earth between the other two.
Question 4
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Maximum tides occurring on a Full Moon day are known as ________.

A
low tides

B
spring tides

C
neap tides

D
heap tides

Solution

A Full Moon occurs when the Earth lies between the Sun and the Moon (as the Sun sets, the Moon rises with the side that faces Earth fully exposed to sunlight). A New Moon is when the Moon lies between the Earth and the Sun (Sun and the Moon setting together) so that the gravitational attraction of both the Sun and the Moon acts on the Earth, causing higher tides, which are known as spring tides.
Question 5
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Which of the following statements is correct regarding the Sun?

A
Sun is the biggest star.

B
Sun is the brightest star.

C
Sun is a star which is the nearest to the Earth.

D
Sun is not a star.

Solution

Sun is a star which is nearest to the Earth, but it is not the brightest star.
Question 6
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What type(s) of nuclear reactions occur(s) in the central core of the Sun?

A
Hydrogen is converted into helium.

B
Carbon is converted into carbon monoxide.

C
Uranium is converted into plutonium.

D
All of these

Solution

Nuclear fusion takes place in the core of the Sun, where hydrogen is converted into helium.
Question 7
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Which among the following is called a 'dwarf planet'?

A
Earth

B
Mars

C
Venus

D
Pluto

Solution

Pluto is called a 'dwarf planet'.

A dwarf planet is a celestial body that orbits the Sun and has a spherical shape, but is not large enough to disturb other objects from its orbit.
Question 8
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Which of the following planets is less dense than water?

A
Neptune

B
Jupiter

C
Saturn

D
Mars

Solution

Saturn is the least dense of the gas giants (composed primarily of hydrogen, helium and water, existing in various physical states). The density of Saturn is 0.687 g/cm³.
Question 9
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Which among the following is/are not constellation(s)?

(i) Milky Way
(ii) Ursa Major
(iii) Cassiopeia
(iv) Orion

A
Only (i)

B
Only (iii)

C
Only (ii) and (iii)

D
Only (i), (iii) and (iv)

Solution

The Milky Way is a large barred spiral galaxy. All the stars we see in the night sky are in Milky Way galaxy. Our galaxy is called the Milky Way because it appears as a milky band of light in the sky when you see it in a really dark area.

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Re-Attempt Weekly Quiz Competition

Stars and the Solar System Test - 1

Result

Stars and the Solar System Test - 1

Score

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SHARING IS CARING

Question 1

waning of the Moon

waxing crescent

waxing gibbous Moon

waning crescent Moon

Solution

Question 2

Because the surface of the Moon is dusty

Because the surface of the Moon is barren

Because the Moon has no atmosphere

Because there are many craters of different sizes

Solution

Question 3

When the Earth lies between the Sun and the Moon in a straight line

When the Sun lies between the Earth and the Moon in a straight line

When the Moon lies between the Sun and the Earth in a straight line

Nothing can be said.

Solution

Question 4

low tides

spring tides

neap tides

heap tides

Solution

Question 5

Sun is the biggest star.

Sun is the brightest star.

Sun is a star which is the nearest to the Earth.

Sun is not a star.

Solution

Question 6

Hydrogen is converted into helium.

Carbon is converted into carbon monoxide.

Uranium is converted into plutonium.

All of these

Solution

Question 7

Earth

Mars

Venus

Pluto

Solution

Question 8

Neptune

Jupiter

Saturn

Mars

Solution

Question 9

Only (i)

Only (iii)

Only (ii) and (iii)

Only (i), (iii) and (iv)

Solution

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