The Sun and Its Effects Quiz - Understand the Sun's Influence on Earth

Question 1 of 32

What type of star is the Sun?

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Red giant

White dwarf

Yellow dwarf

Neutron star

Question 2 of 32

What is the average surface temperature of the Sun?

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3,000°C

5,500°C

15,000°C

25,000°C

Question 3 of 32

Which layer of the Sun is visible to us?

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Corona

Chromosphere

Photosphere

Core

Question 4 of 32

How long does it take for sunlight to reach Earth?

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1 second

8 minutes

12 hours

24 hours

Question 5 of 32

What is the Sun primarily made of?

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Iron

Oxygen

Hydrogen and Helium

Nitrogen

Question 6 of 32

What is the Sun's role in the solar system?

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It generates gravity to keep planets in orbit

It provides light and heat

It drives weather systems

All of the above

Question 7 of 32

What is a solar flare?

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A type of planet

A burst of radiation from the Sun's surface

A collision between stars

A solar eclipse event

Question 8 of 32

What can solar flares affect on Earth?

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Internet signals

Weather systems

Satellite communication

Gravity

Question 9 of 32

What is the Sun's core responsible for?

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Generating solar wind

Producing energy via nuclear fusion

Emitting visible light

Creating sunspots

Question 10 of 32

What are sunspots?

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Cooler regions on the Sun's surface

Hotter regions on the Sun

Asteroids near the Sun

Solar flares in the making

Question 11 of 32

Which of the following is an effect of the Sun's ultraviolet (UV) radiation on Earth?

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Global warming

Ozone layer depletion

Earthquakes

Ocean tides

Question 12 of 32

What is solar wind?

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Wind on the surface of the Sun

A stream of charged particles released from the Sun

A solar flare

Radiation from the Sun

Question 13 of 32

How does the Sun generate energy?

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Nuclear fusion

Nuclear fission

Gravitational collapse

Combustion

Question 14 of 32

Which of the following phenomena occur due to interactions between the Sun's solar wind and Earth's magnetic field?

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Tsunamis

Volcanic eruptions

Auroras

Earthquakes

Question 15 of 32

How old is the Sun approximately?

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1 billion years

4.6 billion years

10 billion years

15 billion years

Question 16 of 32

What will happen to the Sun at the end of its life cycle?

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It will become a black hole

It will explode as a supernova

It will expand into a red giant and then shrink into a white dwarf

It will merge with another star

Question 17 of 32

What effect does the Sun have on Earth's climate?

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None

It causes all weather patterns

It influences long-term climate changes

It controls tectonic plate movements

Question 18 of 32

Which part of the Sun is the hottest?

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The core

The chromosphere

The photosphere

The corona

Question 19 of 32

Which process powers the Sun?

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Chemical combustion

Nuclear fusion

Nuclear fission

Magnetic resonance

Question 20 of 32

What protects Earth from harmful solar radiation?

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Earth’s atmosphere

Ozone layer

Earth’s magnetic field

All of the above

Question 21 of 32

What is the approximate diameter of the Sun?

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1 million km

1.4 million km

10 million km

100,000 km

Question 22 of 32

What is the primary cause of the Sun's sunspots?

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High temperatures

Magnetic activity

Solar flares

Coronal mass ejections

Question 23 of 32

What is the solar maximum?

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The time of year when the Sun is closest to Earth

The peak period of the Sun's 11-year activity cycle

The moment when solar radiation is at its lowest

The time when the Sun's magnetic field reverses

Question 24 of 32

How does the Sun affect the Earth’s magnetosphere?

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It warms the magnetosphere

It disturbs the magnetosphere with solar wind and CMEs

It cools the magnetosphere

It creates gravitational tides

Question 25 of 32

Which event can lead to auroras on Earth?

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Solar eclipse

Lunar eclipse

Coronal mass ejection

Planetary alignment

Question 26 of 32

What is the significance of the solar corona’s temperature being much higher than the Sun’s surface?

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It is due to the Sun’s core being cooler

It is due to solar wind emissions

It is a result of magnetic field heating

It is due to radiation absorption

Question 27 of 32

What are the typical speeds of solar wind particles?

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10-20 km/s

50-100 km/s

300-800 km/s

1,000-2,000 km/s

Question 28 of 32

What role does the Sun play in the Earth's water cycle?

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It evaporates water from oceans

It cools water on Earth's surface

It has no effect on the water cycle

It causes ocean currents

Question 29 of 32

What phenomenon can cause temporary disruptions in power grids on Earth?

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Solar flares

Lunar eclipses

Meteor showers

Sunspots

Question 30 of 32

What determines the length of the Sun’s solar cycle?

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The Sun's magnetic field strength

The Sun's distance from Earth

The frequency of solar flares

The Sun’s rotation rate

Question 31 of 32

What type of radiation from the Sun can be harmful to human health?

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Infrared radiation

Visible light

Ultraviolet radiation

Radio waves

Question 32 of 32

How does the Sun affect Earth's climate in the short term?

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By altering atmospheric gases

By changing the Earth's orbit

Through variations in solar radiation

By influencing ocean currents

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