
Cecilia Payne's Solar Composition Discoveries

Interactive Video
•
Science, Physics, Chemistry
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of the introduction in the passage?
Introducing Lord Kelvin's hypothesis.
Describing the sun's composition.
Explaining the process of nuclear fusion.
Discussing the importance of contrasts and key claims.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was Cecilia Payne's groundbreaking claim about the sun?
The sun's surface is made of unknown elements.
The sun's energy comes from gravitational contraction.
The sun is composed mainly of hydrogen and helium.
The sun is composed mainly of iron.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the orthodox view of the sun's composition in the early 1900s?
The sun is made mostly of iron.
The sun is made mostly of carbon.
The sun is made mostly of helium.
The sun is made mostly of hydrogen.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Lord Kelvin hypothesize about the sun's energy source?
It comes from chemical reactions.
It comes from solar winds.
It comes from gravitational contraction.
It comes from nuclear fusion.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Payne suspect about the spectroscopic data?
It was incomplete.
It was misinterpreted due to preconceptions.
It was irrelevant to the sun's composition.
It was only applicable to the sun's surface.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Payne conclude after re-examining the spectroscopic data?
The sun is mostly iron.
The sun's energy is from chemical reactions.
The sun's surface is different from its core.
The sun is mostly hydrogen and helium.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why were Payne's findings initially dismissed by other astronomers?
They believed the sun was made of unknown elements.
They had no evidence to support her claim.
They believed she used incorrect data.
They thought her data was about the sun's surface only.
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