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The Sun

Total questions: 20

Worksheet time: 27mins

Name
Class
Date
1.

The sun produces what kind of energy?

a)

Heat

b)

Light

c)

Electricity

d)

Solar

2.
The energy from the sun is created by a process called:
a)
nuclear fission
b)
nuclear fusion
c)
nuclear reaction
d)
nuclear core
3.

____________are areas of gas on the sun that are cooler than the gas around them.

a)

Solar Wind

b)

Solar Flares

c)

Sunspots

d)

Core

4.
What is the Sun?
a)
A Planet
b)
A Star
c)
Cloud
d)
Moon
5.

What does the c (besides the obvious "constant") stand for in the equation E=mc^2

a)

Energy

b)

Mass

c)

Constant

d)

Speed of light

6.
How many Earths could fit inside the Sun?
a)
About 1 million
b)
About 2 million
c)
About 1.5 million
d)
About 2.5 million
7.
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
8.
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
9.
When we look at the sun, what layer are we viewing?
a)
photosphere
b)
chromosphere
c)
corona
d)
convection zone
10.
What layer can be seen here?
a)
chromosphere
b)
corona
c)
photosphere
d)
core
11.
What is the sun mostly made up of
a)
Helium
b)
Core
c)
Carbon
d)
Hydrogen
12.
a brief burst of energy from the sun’s photosphere
a)
corona
b)
solar flare
c)
solar wind
d)
photosphere
13.
a dark spot on the photosphere of the sun
a)
corona
b)
solar flare
c)
sunspot
d)
magnitude
14.
Label Part 3
a)
#3 Chromosphere
b)
#3 Radiation zone
c)
#3 Convection zone
d)
#3 Photosphere
15.
What protects life on Earth from gamma rays, X rays, and particles emitted by the Sun?
a)
The ozone layer in the stratosphere
b)
The ionosphere
c)
The magnetosphere (Earth's magnetic field)
d)
Clouds
16.
When prominences erupt into space releasing gas and energy we call this: 
a)
solar winds
b)
coronal outburst
c)
solar flares
d)
auroras
17.

A wave with a large wavelength will have a ______ frequency and _____ energy

a)

high, low

b)

high, high

c)

low, high

d)

low, low

18.

What is the speed of light?

a)

3.0x108 ms

b)

3.0x108 m/s

c)

6.626x10-34 Js

d)

6.626x10-34 J/s

19.

The frequency of violet light is 7.5x1014 Hz. What is its wavelength? Wavelength = velocity / frequency ; speed of light = 3.0 x 108

a)

4.0x10-7 m

b)

4.0x107 m

c)

2.25x1023m

d)

2.25x1023 Hz

20.

As the wavelength increases, the frequency (a)   ?

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