🔬 Science 9 · Grade 8 · Cambridge Lower Secondary Science Stage 9

Unit 6: Sound and space

5 sections · 81 questions

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Sections

1. 6.1Loudness and pitch of sounde.g. Which wave is the loudest? · 18 questionsPractice
2. 6.2Interference of sounde.g. Two waves reinforce: what is the amplitude? · 16 questionsPractice
3. 6.3Formation of the Moone.g. What collided with the Earth? · 15 questionsPractice
4. 6.4Nebulaee.g. Which nebula gives out its own light? · 16 questionsPractice
5. 6.5Tectonicse.g. Which layer contains convection currents? · 16 questionsPractice