Curriculum
Course: Igcse Physics
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Curriculum

Igcse Physics

1. Motion, Forces and Energy

0/161 Dr Dabour Hub Science Diagram and Course Material

2. Thermal Physics

0/75 Dr Dabour Hub Science Diagram and Course Material

3. Waves

0/77 Dr Dabour Hub Science Diagram and Course Material

4. Electricity and Magnetism

0/119 Dr Dabour Hub Science Diagram and Course Material

5. Nuclear Physics

0/39 Dr Dabour Hub Science Diagram and Course Material

6. Space Physics

0/47 Dr Dabour Hub Science Diagram and Course Material
Quiz

6.2.2 The Scale of the Universe – Check yourself

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1.
Which is the correct order from smallest to largest?
Galaxy, Solar System, Universe
Universe, galaxy, Solar System
Galaxy, Universe, Solar System
Solar System, galaxy, Universe
2.
About how many stars are in the Milky Way?
10¹¹
10⁶
10⁹
10²⁵
3.
A light-year is a unit of…
Time
Speed
Distance
Brightness
4.
The Milky Way is 1 × 10⁵ light-years wide. Light takes how long to cross it?
1 × 10⁵ s
1 year
8 minutes
1 × 10⁵ years
5.
Why do we see distant galaxies as they were in the past?
Galaxies are fading
Light takes time to travel to us
Telescopes are slow
They are moving fast
6.
Which has the most stars?
The Solar System
A planet
The Milky Way
A moon
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