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Heat Transfer In The Sun
Test Description: Describes how the Sun's energy reaches Earth through conduction, convection, and radiation
Instructions: Answer all questions to get your test result.
1) Which of the following will NOT affect the amount of radiation received by Earth?
A
the position of Earth and the Sun
B
Solar flares
C
sun spots
D
cosmic background radiation
2) A good description of conduction as a means of heat transfer would be
A
heat energy traveling in waves
B
heat rising and cold sinking
C
a hot solid transferring heat by direct contact
D
electricity moving through metals
3) A good description of convection as a means of heat transfer would be
A
a belief or reasoning that you strongly believe in
B
The rising of hot fluids due to loss of density and sinking of cool fluids due to increased density
C
a heat transfer where waves of energy are transmitted through empty space
D
a heat transfer consisting of direct contact between a solid and some other material
4) A good description of radiation as a means of heat transfer would be
A
an amount of heat energy that can kill you
B
The rising of hot fluids due to loss of density and sinking of cool fluids due to increased density
C
a heat transfer where waves of energy are transmitted through empty space
D
a heat transfer consisting of direct contact between a solid and some other material
5) Where does conduction take place on Earth to transmit the Sun's energy?
A
where space meets our atmosphere
B
within the first few centimeters above the ground
C
below the surface of the Earth
D
up in the atmosphere
6) Where on Earth is convection used to transfer the Sun's energy to Earth?
A
within the first few centimeters above the ground
B
up in the atmosphere
C
where space meets our atmosphere
D
below the surface of the Earth
7) How does radiation play a role in the heating of the Earth?
A
all of these
B
It is how the clouds reflect heat to the Earth
C
it is how the Sun's energy reaches Earth
D
it is how the earth's surface reflects heat back into the atmosphere
8) How is energy from the core of the sun transferred to the middle of the Sun?
A
fusion in the core
B
conduction, in the conductive zone
C
radiation, in the radiative zone
D
convection, in the convective zone
9) How is energy from the core of the Sun transferred to the surface of the Sun?
A
radiation, in the radiative zone
B
convection, in the convective zone
C
fusion in the core
D
conduction, in the conductive zone
10) Which of the following is the order of electromagnetic radiation from the Sun by lowest to highest frequency?
A
radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, gamma rays
B
gamma rays, ultraviolet, visible light, infrared, x-rays, radio waves, microwaves
C
visible light, radio waves, infrared, ultraviolet, microwaves, gamma rays, x-rays
D
microwaves, ultraviolet, infrared, visible light, x-rays, radio waves, gamma rays
11) Which of the following is NOT a role that our atmosphere plays in reducing the amount of radiation the Earth's surface receives?
A
the ozone absorbs ultraviolet radiation
B
the atmosphere protects us from solar winds
C
x-rays and gamma rays are absorbed by the upper atmosphere
D
greenhouse gases remove radio waves and infrared radiation
*select an answer for all questions
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