What is the significance of iron in the lifecycle of a star?

Star Formation and Life in the Universe

Interactive Video
•

Liam Anderson
•
Physics, Chemistry, Biology, Science
•
9th - 12th Grade
•
Hard
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is the heaviest element a star can produce through fusion.
It is the primary component of a star's atmosphere.
It is the lightest element in the universe.
It marks the beginning of a star's life.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do stars fit into some definitions of life?
They have a metabolism and can reproduce.
They can move and communicate.
They have emotions and thoughts.
They can adapt to different environments.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two broad categories of galaxies?
Oval and Square
Triangular and Hexagonal
Circular and Rectangular
Elliptical and Spiral
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What triggers the formation of stars in gas clouds?
The presence of water
Shock waves or density waves
The presence of dark matter
The absence of gravity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a star cluster?
A collection of planets
A single massive star
A group of stars with different ages
A group of stars with the same birthday
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when a star reaches a high luminosity?
It becomes a black hole.
It pushes away incoming material.
It stops emitting light.
It absorbs more gas.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do the elements found on Earth originate?
They were created by humans.
They came from other planets.
They were formed in stars.
They were always present on Earth.
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of supernovae in element formation?
They create new elements.
They destroy elements.
They have no role in element formation.
They only produce hydrogen.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is astrophysics considered a gateway subject?
It does not require any math.
It is easy to learn.
It connects various scientific disciplines.
It only focuses on stars.
10.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the primary elements formed after the universe cooled?
Carbon and Oxygen
Gold and Silver
Hydrogen and Helium
Iron and Nickel
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