Earth Space Science flashcard
Flashcard
•
Science
•
12th Grade
•
Hard
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What do astronomers learn from spectral lines?
Back
Astronomers learn information about the composition, temperature, density, and motion of stars.
Tags
NGSS.HS-ESS1-2
2.
FLASHCARD QUESTION
Front
What is Wein's Law used for?
Back
Wein's Law is used to determine the temperature of a blackbody based on the wavelength at which it emits its maximum radiation.
3.
FLASHCARD QUESTION
Front
What is the formula for Wein's Law?
Back
λmax = (3 x 10^6) / T, where λmax is the wavelength in nanometers and T is the temperature in Kelvin.
Tags
NGSS.HS-PS4-1
4.
FLASHCARD QUESTION
Front
What is absolute zero?
Back
Absolute zero is the theoretical temperature at which all atomic motion stops, defined as 0 degrees Kelvin.
5.
FLASHCARD QUESTION
Front
How is the chemical element name of an atom determined?
Back
The chemical element name is determined by the number of protons in the nucleus of the atom.
6.
FLASHCARD QUESTION
Front
What is the significance of protons in an atom?
Back
Protons determine the atomic number and thus the identity of the element.
7.
FLASHCARD QUESTION
Front
What happens to atomic motion at absolute zero?
Back
At absolute zero, all atomic motion theoretically stops.
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