Edexcel International GCSE Physics
Edexcel International GCSE Physics Motion in the Universe Exam Questions
Free Edexcel International GCSE Physics exam questions on Motion in the Universe, with mark schemes. Covers the solar system, orbits, gravitational field strength and orbital speed.
Motion in the Universe exam questions
These packs of real past exam questions cover the whole of Section 8: Astrophysics, including Motion in the Universe. Work through every question on this sub-topic, then mark your answers against the mark scheme.
StemUp mark scheme flashcards
Edexcel IGCSE Physics 4PH1 Flashcards (Anki & Quizlet)
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Use them on Anki or Quizlet, then test yourself with the questions on this page.
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About Edexcel International GCSE Physics Motion in the Universe
This sub-topic covers the universe and orbits.
What you need to know
- Structure Planets, moons, comets, galaxies.
- Gravity Gravitational field strength varies.
- Orbits v = 2πr/T.
Common mistakes in Motion in the Universe
- Mixing orbits of moons and planets.
- Wrong units for r.
Try two Motion in the Universe exam-style questions
1. Find orbital speed for r = 4.0 x 10⁸ m and T = 2.4 x 10⁶ s. (1 mark)
Show the mark scheme answer
About 1050 m/s.
2. State what keeps planets in orbit. (1 mark)
Show the mark scheme answer
Gravity.
Motion in the Universe FAQs
What does this cover?
The solar system and orbits.
Do comets have circular orbits?
No, highly elliptical.
Revise this topic with flashcards: Edexcel IGCSE Physics 4PH1 Flashcards, with mark scheme answers for Anki and Quizlet.
