Dark Matter

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•
Biology, Physics, Science
•
11th Grade - University
•
Hard
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the current status of direct evidence for dark matter?
There is no direct evidence yet.
Direct evidence was found recently.
Direct evidence is not needed.
There is abundant direct evidence.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT an indirect evidence for dark matter?
Mass distribution in galaxies
Gravitational lensing effects
Cosmological evidence from heavy elements
Direct observation of dark matter particles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is dark matter considered essential for galaxy formation?
It directly forms stars and planets.
It allows density fluctuations to persist, leading to galaxy formation.
It prevents the universe from expanding too fast.
It provides the necessary light for galaxy formation.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the most popular current hypothesis about the nature of dark matter?
It is a type of black hole.
It is a new elementary particle not in the standard model.
It is a form of visible matter.
It is a form of energy.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What challenge is associated with modifying Einstein's theory of general relativity to account for dark matter?
Modifications often lead to inconsistencies or are ruled out by tests.
The theory is not widely accepted.
It has already been successfully modified.
It is easy to add new elements to the theory.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one reason why dark matter is difficult to detect?
It is only found in distant galaxies.
It is too small to be observed.
It interacts weakly with other particles.
It emits a lot of light.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential alternative if dark matter cannot be found?
Assuming dark matter is a myth
Speculating a failure in general relativity
Ignoring the evidence for dark matter
Abandoning the search entirely
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