
Energy Harnessing and Black Holes

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

Jackson Turner
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one of the fundamental challenges for a civilization expanding beyond Earth?
Establishing a galactic government
Finding new planets to inhabit
Communicating with alien species
Generating sufficient energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Kardashev scale measure?
The number of planets a civilization inhabits
The technological advancement of a civilization
The energy consumption of a civilization
The speed of a civilization's starships
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary energy source proposed for a civilization at the third stage of the Kardashev scale?
Wind energy
Nuclear fusion
Solar energy
Supermassive black holes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do particles in a black hole's accretion disk convert energy?
By converting potential energy to kinetic energy
By gravitational waves
By chemical reactions
By nuclear fusion
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the efficiency of energy conversion for rotating black holes?
0.08%
32%
6%
50%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a Dyson sphere?
A new form of government
A method of communication with aliens
A type of spaceship
A structure to harness energy from a star
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't a full sphere be used to harness energy from a black hole?
Plasma jets would destroy it
It would be too expensive
It would be too heavy
It would block necessary light
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