¿Qué es la materia oscura?
Interactive Video
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Physics, Science
•
11th Grade - University
•
Hard
Wayground Content
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used for the unseen matter that is more common than visible matter in the universe?
Dark matter
Antimatter
Dark energy
Neutrinos
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do physicists believe that dark matter exists?
Because it emits light
Due to its gravitational effects
Due to its magnetic properties
Because it can be seen with telescopes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What analogy is used to describe the role of gravity in holding galaxies together?
A spinning top
A swinging pendulum
A rotating wheel
A giant carousel
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do astronomers measure the speed of stars in distant galaxies?
By measuring their size
Using the Doppler effect
Using gravitational waves
By observing their brightness
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What phenomenon causes the change in pitch of a police siren as it passes by?
The Doppler effect
The gravitational pull
The speed of light
The magnetic field
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