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Astronomy 2: What Is the Sun Like?

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.
The Sun’s ____________ holds the planets in orbit in our Solar System.
a)
magnetic field
b)
gravity
c)
solar wind
2.

Huge loops of reddish gas that extend out from the Sun's chromosphere are called:

a)

prominences

b)

solar flares

c)

coronal loops

d)

solar wind

3.

Intense bursts of energy on the Sun that occur when built-up electromagnetic energy is released are called _________________

a)

solar winds

b)

coronal outburst

c)

solar flares

d)

auroras

4.

The feature shown here is a cooler region in the Sun's photosphere.

a)

solar flares

b)

solar prominences

c)

sun spots

d)

aurora

5.

The energy from the Sun is created by a process called:

a)

nuclear fission

b)

nuclear fusion

c)

nuclear reaction

d)

nuclear core

6.

Energy is created in the core when four _____________ atoms join together to form a ______________ atom and energy.

a)

helium, hydrogen

b)

carbon, hydrogen

c)

nitrogen, helium

d)

hydrogen, helium

7.

The middle layer of the Sun's interior where energy is transferred by electromagnetic waves.

a)

photosphere

b)

chromosphere

c)

radiation zone

d)

convection zone

8.

An area of the Sun where gases rise and fall as energy is transferred by flowing gases.

a)

the core

b)

the radiation zone

c)

the convection zone

d)

the corona

9.

When charged particles from the sun enter into Earth's atmosphere, this happens:

a)

an aurora

b)

a super nova

c)

fusion

d)

a solar flare

10.

How old is the Sun?

a)

4.5 million years

b)

13.5 billion years

c)

4.5 billion years

11.

The outermost layer of the sun, which can only be seen during a solar eclipse, is the __________.

a)

Chromosphere

b)

Corona

c)

Photosphere

d)

Radiative zone

12.

The visible layer of the Sun's atmosphere is known as the ____________________.

a)

Chromosphere

b)

Corona

c)

Photosphere

d)

Radiative Zone

13.

Which statement is true?

a)

The Sun is a star.

b)

The Sun is the largest star in our galaxy.

c)

The Sun is a planet close to Earth.

d)

The Sun is a moon.

14.

The hottest layer of the Sun where nuclear fusion occurs:

a)

Photosphere

b)

Chromosphere

c)

Corona

d)

Core

15.

The Sun rotates on its axis.

a)

TRUE

b)

FALSE

16.

The Instrument that splits a star’s visible light into a band of colors used to determine a star’s composition.

a)

coronagraph

b)

spectrometer

c)

prism

d)

chromograph

17.

Label #7

a)

#7 Prominences

b)

#7 Corona

c)

#7 Sunspots

d)

#7 Photosphere

18.

Label #9

a)

#9 Prominences

b)

#9 Corona

c)

#9 Sunspots

d)

#9 Photosphere

19.

What is the middle layer of the Sun's atmosphere that provides it's reddish color during a solar eclipse?

a)

convection zone

b)

corona

c)

chromosphere

d)

photosphere

20.

Order these space objects from largest to smallest?

a)

Sun, Earth, Moon

b)

Earth, Moon, Sun

c)

Moon, Earth, Sun

21.
Label number 1
a)
#1 Core
b)
#1 Radiation zone
c)
#1 Convection zone
d)
#1 Photosphere
22.
Label number 2
a)
#2 Core
b)
#2 Radiation zone
c)
#2 Convection zone
d)
#2 Corona
23.
Label number 3
a)
#3 Chromosphere
b)
#3 Radiation zone
c)
#3 Convection zone
d)
#3 Photosphere
24.

Label number 4

a)

#4 Chromosphere

b)

#4 Radiation zone

c)

#4 Convection zone

d)

#4 Photosphere

25.

Label number 5

a)

#5 Chromosphere

b)

#5 Radiation zone

c)

#5 Convection zone

d)

#5 Photosphere

26.
Label number 6
a)
#6 Prominences
b)
#6 Corona
c)
#6 Sunspots
d)
#6 Photosphere
27.

How many miles is the Sun from Earth?

a)

1.3 million

b)

930

c)

93 million

d)

186,000

28.

How long does it take for a Sun ray to travel to Earth?

a)

8 seconds

b)

8 minutes

c)

8 hours

d)

8 days

29.

How many Earth's can fit inside the sun?

a)

93 million

b)

1.3 million

c)

186,000

d)

109 million

30.

Charged particles that escape from the Sun’s corona and travel through space:

a)

coronal discharge

b)

solar flares

c)

coronal ejection

d)

solar winds

31.

The Sun contains __________ percent of the solar system's mass.

a)

71%

b)

97%

c)

3%

d)

99.86%

32.

A Huge sphere of glowing gases that gives off heat and light:

a)

planet

b)

comet

c)

star

d)

asteroid

33.

The changing location of Sunspots provides evidence that..

a)

the Sun is expanding.

b)

the Sun is shrinking.

c)

the Sun is orbiting the galaxy.

d)

the Sun is rotating.

34.

Energy from the Sun is known as:

a)

Solar Flares

b)

Solar Wind

c)

Solar Energy

d)

Solar Spots

35.

How many Earths could fit across the diameter of the Sun?

a)

109

b)

186,000

c)

93 million

d)

1.3 million