The Sun
Astronomical unit
93 million miles can be referred to as a(n) _______________.
Coronal mass ejection
Another word for CME
Core
Center/innermost layer where thermonuclear reactions happen
Corona
Contains solar flares
Sun spots
Cooler spots on the photosphere
Umbra
Darker part of a sunspot
Outward, electromagnetic
Energy in the Radiative zone travels ________ slowly through _____________ waves.
Radiative
Energy in the __________ zone travels outward slowly through electromagnetic waves.
Photosphere
Has granules
Corona
Has prominences
Corona
Has solar wind
Chromosphere
Has spicules at the top
Photosphere
Has sunspots
93 million miles
How far is one astronomical unit?
27,000,000
How many degrees Fahrenheit is the sun's core?
Two
How many layers of atmosphere does the sun have?
Three
How many layers of interior does the sun have?
One
How many layers of surface does the sun have?
93 million miles
How many miles is the sun from the earth?
They occur because of magnetic field contractions
How to sunspots occur?
Chromosphere
Innermost/lowest layer of the atmosphere
Penumbra
Lighter part of a sunspot
Gamma, x rays, ultraviolet, visible light (colors), infrared, microwave, short wave radio, long wave radio
List the EMS waves from least to greatest.
Radiative zone
Middle region of the interior
Plasma
Moves in circular patterns because of convection in the connective zone
Corona
Outermost layer of the atmosphere
Convective zone
Outermost region of the sun's interior
Circular, convective
Plasma moves in _________ patterns because of convection in the _________ zone
Spicules
Points or jets of plasma in the chromosphere
Granules
Seething (boiling) mounds or lumps of hot plasma that rise and fall on photosphere
Prominences
Streams of plasma that extend into corona and loop back down onto surface
Solar flare
Sudden violent storm on surface of the sun
11 years
Sunspots occur in cycles of maximum numbers every ______________.
Plasma
Superheated, ionized state of matter
Solar wind
The extension of the corona that contains mainly protons and electrons and extends far beyond our solar system
8,700 to 10,000
The photosphere is _________________ degrees Fahrenheit.
Photosphere
Visible surface of the sun
Core, Radiative zone, Convective zone
What are the three interior layers of the sun?
Chromosphere and corona
What are the two layers of the atmosphere?
Umbra and penumbra
What are the two parts of a sun spot?
Nuclear fusion of hydrogens to form helium
What are thermonuclear reactions?
Change channel on TV, infrared lamps
What are two things that you do/have that involves infrared waves?
Send a text, use in microwave ovens
What are two things that you do/have that involves microwaves?
Tune a radio, use as a radio telescope to study space
What are two things that you do/have that involves radio waves?
Protons and electrons
What does solar wind mainly consist of?
Plasma
What does the sun consist of?
Result of a solar flare
What is a CME?
We take x rays
What is one thing that we use that involves x rays? (Hint is in the name)
Hydrogen
What is the most abundant element in the sun?
98%
What percentage is the sun composed of Hydrogen and helium?
Hydrogen and helium
What two elements is the sun most abundant of?
Visible light
Which part of the EMA waves can we see with our eyes?
Because of the sun's magnetic field
Why does the corona's temperature greatly increase outward from the photosphere?
2%
____ of the sun is composed of minerals other than hydrogen and helium.