Absorption Lines
These dark lines in a spectrum show where light has been absorbed by elements in a star’s atmosphere.
What are absorption lines?
The Sun is mostly made up of this element, which is also the lightest element in the universe and thought as the FUEL for the sun
What is hydrogen?
The process that powers the Sun and produces its energy.
What is nuclear fusion?
This provides Earth with light and warmth, making life possible.
What is solar energy (sunlight)?
Absorption lines are formed when light passes through this layer of the Sun’s atmosphere. Its the layer that gives off visible light.
What is the photosphere?
The second most abundant element in the Sun.
What is helium?
In the Sun, hydrogen atoms fuse to form this element.
What is helium?
The Sun’s energy drives this process that moves water through Earth’s systems.
1. What Earth System is being impacted
2. What is the name of the process
What is the hydrosphere?
What is the water cycle?
Scientists use absorption lines to determine this property of stars.
What is the composition (elements) of the star?
The Middle layer of sun's interior where energy is transferred in the form of electromagnetic radiation
What is the radiation zone?
The Sun’s energy is produced in this central region.
What is the core?
Solar energy absorbed by plants.
1. What Earth system is being impacted
2. Name of the process plants use to absorb sunlight
1. What is the Biosphere?
2. What is Photosynthesis?
The specific pattern of absorption lines acts like this for identifying elements.
What is a fingerprint?
The Sun’s outer atmosphere that is visible during a total solar eclipse is called the ____.
What is the corona?
This equation summarizes the fusion of hydrogen into helium: 4H → ____ + energy.
What is He (helium)?
The Sun’s charged particles can cause this colorful display near the poles.
1. Name of the Earth system impacted
2. Name of this phenomena
1. What is the Atmosphere?
2. What are auroras?
The shift of absorption lines toward the red end of the spectrum indicates this motion of a star.
What is the star is moving away (redshift)?
These heavier elements make up less than 2% of the Sun’s mass.
What are metals (elements heavier than helium)?
The Sun converts about 600 million tons of hydrogen into helium every second, releasing energy how many Mega Electron Volts of energy is released?
What is 2.41 x 1030
Variations in solar radiation output can influence this long-term climate pattern on Earth where carbon dioxide levels increase.
1. What Earth system is being impacted?
2. What is the name of this phenomena?
1. What is the Atmosphere?
2. What is climate change or long-term climate variation?