IGCSE Physics · Area 6 of 6

Space Physics

The Earth's rotation and orbit, the Moon's phases, the Solar System, elliptical orbits and gravitational fields, the life cycle of a star, light-years, redshift, the CMBR and the Hubble constant.

2 topics · 18 exam-style questions · 53 marks

The physics of everything larger than a planet - how the Solar System formed, how stars live and die, and the evidence that the Universe is expanding.

The Earth and the Solar System

The Earth spins on a tilted axis once a day and orbits the Sun once a year, which explains day and night and the seasons, while the Moon's orbit explains its cycle of pha...

9 questions · 25 marks

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Stars and the Universe

Stars are powered by nuclear fusion, and the light they send us tells us how they are born, how they die and how the Universe itself is expanding. This topic covers the S...

9 questions · 28 marks

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Where this fits in IGCSE Physics

This page is one area of Cambridge IGCSE Physics 0625. IGCSE Physics is the course home: every area and every topic in Cambridge's own order, the papers you sit and what each one tests, and the exam-practice tools. The full topic list, with each topic linked to its revision page, is on the IGCSE Physics syllabus page.