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Our Sun

Total questions: 30

Worksheet time: 23mins

Name
Class
Date
1.

The reason that most solar winds do not disrupt electricity on the Earth is due to the Earth’s ______.

a)

poles

b)

magnetic field

c)

stratosphere

d)

auroras

2.

The Sun produces energy by fusing hydrogen atoms into helium atoms in the _____.

a)

Radiative Zone

b)

Convective Zone

c)

Core

3.

What are the Sun's layers of atmosphere from lowest to highest layer?

a)

Core, Radiative Zone, Convection Zone

b)

Corona, Chromosphere, Photosphere

c)

Convection Zone, Radiative Zone, Core

d)

Photosphere, Chromosphere, Corona

4.

When we see the sun out during the day, we are viewing light that is coming from the ___________.

a)

Core

b)

Convection Zone

c)

Chromosphere

d)

Photosphere

5.

Where the color of the Sun comes from.

a)

Core

b)

Chromosphere

c)

Corona

d)

Photosphere

6.

The dark areas on the Sun's surface, sunspots, are ______ than the surrounding matter.

a)

more active

b)

hotter

c)

less active

d)

cooler

7.
The energy from the sun is created by a process called:
a)
nuclear fission
b)
nuclear fusion
c)
nuclear reaction
d)
nuclear core
8.
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
9.
The particles of the corona extends into space for millions of kilometers and spreads into streams of electrically charged particles called:
a)
coronal discharge
b)
solar flares
c)
coronal ejection
d)
solar winds
10.
Huge loops of reddish gas that connect sunspots are called:
a)
prominences
b)
solar flares
c)
coronal loops
d)
solar wind
11.
When prominences erupt into space releasing gas and energy we call this: 
a)
solar winds
b)
coronal outburst
c)
solar flares
d)
auroras
12.
What layer can be seen here?
a)
chromosphere
b)
corona
c)
photosphere
d)
core
13.
These colored bands of light in the sky are called ___.
a)
auroras
b)
solar flares
c)
solar prominences
d)
sun spots
14.
Which sun feature is shown here?
a)
solar flare
b)
aurora
c)
solar prominence
d)
sun spot
15.
What size star is our Sun?
a)
High mass
b)
Low mass
c)
Medium mass
d)
Very high mass
16.
Which sun features are shown here?
a)
solar flares
b)
solar prominences
c)
sun spots
d)
aurora
17.
What are the 2 types of energy the sun emits?
a)
light & electrical
b)
light & heat
c)
sound & heat
d)
mechanical & heat
18.
How are stars different?
a)
size
b)
brightness
c)
distance from Earth
d)
all of the above
19.

Which of the following is true about the Sun?

a)

The Sun is the main source of energy for Earth.

b)

The Sun is a star.

c)

The Sun is a ball of gas.

d)

All of the above.

20.

How many Earths could fit inside the Sun?

a)

about 1,000,000

b)

about 1,000

c)

about 100,000

d)

about 10

21.
A dark spot on the photosphere of the sun
a)
corona
b)
solar flare
c)
sunspot
d)
magnitude
22.
The distance light travels in one Earth year; about 6 trillion miles
a)
galaxy
b)
universe
c)
light-year
d)
corona
23.
Moving areas of magnetic activity with temperatures that are cooler than the area of the photosphere
a)
Photosphere
b)
Corona
c)
Sunspots
d)
Prominence
24.
Sudden, intense explosions that result in changes in brightness when magnetic energy is released.
a)
Prominences
b)
Solar Flare
c)
Sunspot
d)
Photosphere
25.
Bright arch-like loops that may erupt from the photosphere into the corona
a)
Sunspots
b)
Solar Flares
c)
Prominences
d)
Photosphere
26.
How does the sun keep all of the planets in orbit?
a)
The pull of its gravity
b)
the flames give it power
c)
the sun spots
d)
The solar flares guide them
27.
What causes aurora borealis or northern lights?
a)
The Corona
b)
Prominences
c)
Sunspots
d)
Solar Flares
28.
Which layer of the sun is the hottest?
a)
Photosphere
b)
Chromosphere
c)
Corona
d)
Core
29.

Where can most sunspots be found ?

a)

near the poles

b)

near the equator

c)

in the core

d)

outside the corona

30.
The earth orbits the sun.   How long does it take the earth to make one trip around the sun?
a)
one day
b)
one month
c)
one year
d)
10 years

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