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Characteristics of the Sun

Total questions: 15

Worksheet time: 45mins

Name
Class
Date
1.

What is the name of the star closest to Earth?

a)

Sirius

b)

Proxima Centauri

c)

Sun

d)

Alpha Centauri

2.

What type of energy does the Sun provide to Earth?

a)

Kinetic energy

b)

Nuclear energy

c)

Heat and light

d)

Electrical energy

3.

What is solar energy?

a)

Energy from the Sun that can be converted into other forms of energy.

b)

Energy generated from wind and water sources.

c)

Energy produced by burning fossil fuels.

d)

Energy stored in the Earth's crust.

4.

What is the Sun's composition?

a)

About 74% hydrogen and 24% helium.

b)

About 50% hydrogen and 50% helium.

c)

About 90% hydrogen and 10% helium.

d)

About 60% hydrogen and 40% helium.

5.

What is a solar eclipse?

a)

When the Earth passes between the Moon and the Sun.

b)

When the Moon passes between the Earth and the Sun.

c)

When the Sun passes between the Earth and the Moon.

d)

When the Earth orbits around the Sun.

6.

What happens to the Sun in about 5 billion years?

a)

It will explode into a supernova and disappear.

b)

It will expand into a red giant and then become a white dwarf.

c)

It will remain the same and continue shining as it does now.

d)

It will collapse into a black hole.

7.

What are the layers of the Sun?

a)

Core, Radiative Zone, Convective Zone, Photosphere, Chromosphere, Corona

b)

Mantle, Crust, Outer Core, Inner Core

c)

Photosphere, Stratosphere, Troposphere, Exosphere

d)

Core, Atmosphere, Lithosphere, Hydrosphere

8.

What is the temperature of the Sun's surface?

a)

About 5,500 degrees Celsius.

b)

About 3,000 degrees Celsius.

c)

About 7,500 degrees Celsius.

d)

About 10,000 degrees Celsius.

9.

How long does it take light from the sun to reach Earth?

a)

5 minutes

b)

8 minutes

c)

10 minutes

d)

12 minutes

10.

Why is the Sun important for life on Earth?

a)

It provides light and warmth, which are essential for living organisms.

b)

It creates weather patterns that affect climate.

c)

It is the center of the solar system and holds the planets in orbit.

d)

It generates solar energy that can be harnessed for electricity.

11.

The Sun is made of gas. True or False?

a)

True

b)

Solid

c)

Liquid

d)

Plasma

12.

What keeps the Solar System in orbit?

a)

The Sun's enormous gravity.

b)

The Earth's rotation.

c)

The gravitational pull of the Moon.

d)

The magnetic field of the planets.

13.

What is the center of our Solar System?

a)

The Sun

b)

Earth

c)

Mars

d)

Jupiter

14.

What is the main component of the Sun?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

15.

What is the Sun's role in photosynthesis?

a)

It provides the light energy needed for plants to make food.

b)

It absorbs carbon dioxide from the atmosphere.

c)

It releases oxygen as a waste product of photosynthesis.

d)

It helps in the absorption of water by plant roots.