Vocabulary
Electromagnetic (Light) Spectrum
Spectra & Sun's Composition
Sun's Energy
100
an observable event in the universe
What is Phenomenon?
100
According to the Electromagnetic Spectrum diagram on page 3 of the ESSRT, what does nm stand for?
Nanometer
100
Name 2 gases that the Sun is composed of.
Hydrogen and helium
100
Which gases fuse together in nuclear fusion to create energy?
Hydrogen
200
This word means to be able to sustain living things.
What is habitable?
200
According to the Electromagnetic Spectrum diagram on page 3 of the ESSRT, which type of waves has more energy than the visible spectrum?
Ultraviolet
200
Absorption lines form when a light passes through a(n) ______.
What is gas?
200
Where does nuclear fusion occur in the Sun?
Core
300
The black lines that appear on a spectra are called ______ lines.
What is Absorption?
300
Using Electromagnetic Spectrum digram on page 3 of the ESSRT, identify color in the visible spectrum with the longest wavelength.
What is red?
300
Which gas is in the unknown mixture?
Gas D
300
Which gas is produced as a result of nuclear fusion?
What is helium?
400
The distance from one (crest) peak to the next in a wave.
What is wavelength?
400
According to the Electromagnetic Spectrum diagram on page 3 of the ESSRT, what color is visible light with a wavelength of 4.1 x 102?
violet
400
What is this tool called? 
Prism
400
Give one evidence to reject the claim that the Sun does not make energy by chemical combustion.
The Sun's spectra does not show that it contains oxygen.
500
The special telescope that is used to observe light from objects in the universe such as stars.
What is spectroscopy?
500
According to the Electromagnetic Spectrum diagram on page 3 of the ESSRT, what happens to energy as wavelength increases?
decreases
500
A spectrum that shows all the colors of the visible light waves is called a ____________ spectrum
continuous
500
Give one evidence to support the claim that the Sun produces energy by nuclear fusion.
The sun's spectra has matching absorption lines as hydrogen, which is the ingredient required for nuclear fusion.