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

Unit 3: Forces and energy

6 sections · 108 questions

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Sections

1. 3.1Densitye.g. What is the density of 170 g of brass in 20 cm³? · 21 questionsPractice
2. 3.2Heat and temperaturee.g. Which bowl of soup has more heat? · 19 questionsPractice
3. 3.3Conservation of energye.g. 1000 J in, 850 J wasted: how much useful? · 16 questionsPractice
4. 3.4Moving from hot to colde.g. Which way does thermal energy move? · 20 questionsPractice
5. 3.5Ways of transferring thermal energye.g. Why is a pot handle made of wood? · 17 questionsPractice
6. 3.6Cooling by evaporatione.g. How does sweat cool the skin? · 15 questionsPractice