Curriculum
Course: Alhussan Physics — Stage 9
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Curriculum

Alhussan Physics — Stage 9

Chapter 11: Forces and Density

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Chapter 12: Energy Transfer

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Chapter 13: Sound Waves

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Chapter 14: Electrical Circuits, Resistance and Power

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Chapter 15: The Earth in Space (Universe and Stars)

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Quiz

15.4 The life cycle of stars — Quiz

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  • Questions count: 10
  • Passing grade: B+
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1.
Which term matches this definition? “A cloud of gas and dust where stars form.”
Black hole
Planet
Galaxy
Nebula
2.
What process makes stars shine?
Chemical reactions
Nuclear fusion of hydrogen into helium
Burning coal
Reflection
3.
On the main sequence, what balances gravity?
Nothing
Magnetism
Outward pressure
Spin
4.
True or false? Stars spend most of their life on the main sequence.
True
False
5.
Elements up to ____ are made in stars like the Sun.
hydrogen only
uranium
iron
gold
6.
True or false? Fusion happens on the surface of a star.
True
False
7.
The flow diagram shows a Sun-like star's life. What comes at "?"
Dr Dabour Hub Academy - figure 1
Black hole
Planet
Nebula
Red giant
8.
Light from a star took 500 years to reach us. How long ago did it leave?
0
500 years ago
1000 years ago
250 years ago
9.
Which nebula can be seen with the naked eye?
The Crab
The Orion Nebula
The Eagle Nebula
Andromeda
10.
Why do we see some stars as they were long ago?
Light is slow
Their light took millions of years to reach us
They are moving
They are close
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Part of Chapter 15: The Earth in Space (Universe and Stars) — see every lesson and quiz in this unit.
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