Notes: Cambridge Checkpoint and Beyond - Physics Secondary 1 (Year 7) Chapter 3 The Earth and Beyond

Notes for Cambridge Checkpoint and Beyond - Physics Secondary 1 (Year 7) Chapter 3 (The Earth and Beyond).
Each document covers the units learned in the chapter:
3.1 The night sky
3.2 Day and night
3.3 The seasons
3.4 Stars
3.5 Our Solar System
3.6 Extension: The Moon
3.7 Enquiry: Explanations - geocentric model
3.8 Enquiry: Explanations - heliocentric model
3.9 Enquiry: Communicating ideas
3.10 Extension: Beyond our Solar System
3.11 Enquiry: Using secondary sources
3.12 Extension: The origin of the Universe