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Structure of the Sun

Total questions: 26

Worksheet time: 21mins

Name
Class
Date
1.

The center of the sun is called the ______

a)

convective zone

b)

radiative zone

c)

the core

2.

Where is the site of hydrogen fusion?

a)

prominence

b)

sun spot

c)

core

3.
This layer surrounds the radiative zone and the core. 
a)
convection zone
b)
photosphere
c)
radiative zone
d)
The corona
4.

This layer is the shell around the core

a)

convective zone

b)

radioative zone

c)

photosphere

5.
This layer is the visible outer layer of the sun. 
a)
convection zone
b)
photosphere
c)
chromosphere
d)
The corona
6.
It's the lower ring of gas around the sun's photosphere. 
a)
Chromosphere
b)
Photosphere 
c)
The Corona
d)
The Core
7.
It's loops are seen extending from the photosphere. 
a)
Flares
b)
Corona
c)
Prominences
8.
What is A?
a)
photosphere
b)
Core
c)
prominence
d)
flares 
9.
What is B?
a)
The Core
b)
Convective Zone
c)
Radiative Zone
d)
Photosphere
10.

What is C?

a)

The Core

b)

Chromosphere

c)

Photosphere

d)

Convection Zone

11.
What is F?
a)
sun spots
b)
filaments 
c)
prominence
d)
flare
12.
Nuclear fusion is when
a)
the nuclei of two atoms join to produce lots of energy
b)
the nuclus of a large atom splits to release lots of energy
13.
Energy is created in the core when two _____________ atoms join together to form a ______________ atom.
a)
helium, hydrogen
b)
carbon, hydrogen
c)
nitrogen, helium
d)
hydrogen, helium
14.

The middle layer of the sun's interior that contains very tightly packed gas is called the _____________.

a)

photosphere

b)

chromosphere

c)

radiation zone

d)

convection zone

15.
When we look at the sun, what layer are we viewing?
a)
photosphere
b)
chromosphere
c)
corona
d)
convection zone
16.
What layer can be seen here?
a)
chromosphere
b)
corona
c)
photosphere
d)
core
17.

________________ means environmental change around the space between the atmosphere of the Sun and the Earth.

a)

Earth Magnetosphere

b)

Space weather

18.

Corona is always luminous when observed from the Earth.

a)

True

b)

False

19.

The surface of the Sun always appears turbulent and uneven. Why?

a)

Photosphere is constantly turbulent due to the release of the gases from the convection zone. The presence of granule caused the surface seen uneven.

b)

Chromosphere is constantly turbulent due to the release of the gases from the convection zone. The presence of granule caused the surface seen uneven.

20.

What is the main factor that influence space weather?

a)

Activities that occur on the surface of the Sun.

b)

Activities that occur in the Core of the Sun.

21.

Occur due to the satellite damage in space.

a)

communication disruption

b)

cell mutation

c)

Aurora

22.

Problem faced by human due to the extreme high radiation level in the outer space.

a)

communication disruption

b)

cell mutation

c)

Aurora

23.

Aurora occurs when___________ from the Sun, which consists of highly _____________, manages to penetrate the Earth's magnetosphere and __________ with the atoms and particles in Earth's atmosphere.

a)

cosmic ray, charged particles, fusion

b)

cosmic ray, charged particles, collide

24.

Function of Earth's Magnetosphere:

a)

As a biological shield to protect life on Earth

b)

To prevent meteoroid reaching the Earth

c)

Block charged particles such as electron and protons in the solar wind reaching Earth.

25.

Solar flare occurs when the magnetic energy that is gather at the Sun being released abruptly.

a)

True

b)

False

26.

Solar flare occurs a the active zone, which is close to the ___________

a)

Prominence

b)

Sun spot

c)

Chromosphere