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8G: Unit 3 L.1 and 2 Quiz 23/24

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

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

a)

nuclear fission

b)

nuclear fusion

c)

nuclear reaction

d)

nuclear core

2.
a brief burst of energy from the sun’s photosphere
a)
corona
b)
solar flare
c)
solar wind
d)
photosphere
3.
a dark spot on the photosphere of the sun
a)
corona
b)
solar flare
c)
sunspot
d)
magnitude
4.
Label part 1
a)
#1 Core
b)
#1 Radiation zone
c)
#1 Convection zone
d)
#1 Photosphere
5.
Label part 6
a)
#6 Prominences
b)
#6 Corona
c)
#6 Sunspots
d)
#6 Photosphere
6.
Label part 5
a)
#5 Chromosphere
b)
#5 Radiation zone
c)
#5 Convection zone
d)
#5 Photosphere
7.
Label Part 2
a)
#2 Core
b)
#2 Radiation zone
c)
#2 Convection zone
d)
#2 Corona
8.
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
9.
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
10.
In which area of the sun does gas rise as it heats up, then fall back down as it cools?
a)
the core
b)
the radiation zone
c)
the convection zone
d)
the corona
11.
Where does nuclear fusion occur?
a)

The Convection Zone

b)

The Radiation Zone

c)

The Photosphere

d)
The Core
12.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
13.
Which category is our Sun located in?
a)
White Dwarfs
b)
Supergiants
c)
Main Sequence
d)
Giants
14.

Which star is hotter than Deneb

a)

Procyon

b)

Sun

c)

Regel

d)

Banard's Star

15.

Which star is brighter than Alpha Centauri B, but dimmer than the sun?

a)

Pollux

b)

Spica

c)

Tau Ceti

d)

Mira

16.

Knowing the color of a star also tells us its __________

a)

age

b)

location

c)

temperature

d)

name

17.
Very hot stars are what color? 
a)
Blue
b)
Yellow
c)
Red
d)
Orange
18.
What is the color of the coolest stars?
a)
blue
b)
yellow
c)
red
d)
orange
19.
Put the stars in order from coolest to hottest.
a)
Blue, White, Yellow, Orange, Red
b)
Red, Orange, Yellow, White, Blue
c)
Red, Orange, Yellow, Blue, White
d)
Red, Yellow, Orange, White, Blue
20.
Which property of a star is the brightness of a star at a standard distance?
a)
Apparent (magnitude) brightness
b)
Absolute (magnitude) brightness
c)
Luminosity
d)
Size of the star
21.
Apparent (magnitude) brightness is affected by a star's distance from Earth.
a)
False
b)
True
22.

Alpha Centauri A is a star that is larger than the Sun, yet it appears much less bright. Which of the following is the best explanation for this?

a)

The difference in brightness is due to the distance of the Sun and Alpha Centauri A from Earth

b)

The smaller a star the brighter it appears

c)

The older the star the brighter it appears

d)

The larger the star always appears to be brighter

23.
Parallax is used to determine a star’s
a)
distance from Earth.
b)
temperature.
c)
composition.
d)
brightness.
24.
The absolute brightness of a star depends on its
a)
distance and temperature.
b)
size and temperature.
c)
color and temperature.
d)
distance and color.

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