What is the primary force that a star's core fights against to prevent collapse?

Stellar Fusion and Core Processes

Interactive Video
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Physics
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Magnetic force
Nuclear force
Electromagnetic force
Gravitational force
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a star's core after all hydrogen is fused into helium?
The core explodes
The core expands and cools
The core collapses and heats up
The core remains stable
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elements are produced during the helium fusion stage in a star's core?
Helium and hydrogen
Carbon and oxygen
Oxygen and nitrogen
Carbon and nitrogen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of helium fusion in terms of the star's core collapse?
It halts the collapse temporarily
It accelerates the collapse
It has no effect on the collapse
It reverses the collapse
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In stage 3, what elements does carbon fuse into?
Helium, hydrogen, lithium, and beryllium
Magnesium, neon, sodium, and aluminium
Iron, nickel, cobalt, and zinc
Oxygen, nitrogen, sulfur, and phosphorus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final element formed in the core of a massive star before fusion stops?
Carbon
Oxygen
Iron
Magnesium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a star when its core becomes solid iron?
It expands into a red giant
It collapses under its own gravity
It becomes a black hole
It explodes as a supernova
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