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Primary 5 Science Practice Paper 1
Free P5 Science Practice Paper 1, Ox AI version, with questions, answers, and syllabus-aligned practice for Singapore students.
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Answers
TuitionGoWhere Practice Paper - Science Primary 5 — Answer Key (Version 1 of 5)
Subject: Science | Level: Primary 5 | Topic: Diversity | Total Marks: 50
Section A (1 mark each)
- (3) moss
- (1) Mammals
- (2) Clear glass
- (2) Mushroom
- (2) It conducts heat well.
Section B (2 marks each)
6. Sparrow — Living; Stone — Non-living; Mould — Living; Water — Non-living. (½ mark each)
7. Any two: A bird has feathers but a fish has scales; a bird breathes with lungs but a fish breathes with gills; a bird has a beak but a fish does not; most birds fly but fish swim with fins.
8. Plastic is waterproof (does not absorb water), so it keeps the wearer dry. Also accept: flexible / lightweight.
9. True; False; True; False.
10. Natural: any two of wood, cotton, wool, leather, silk. Man-made: any one of plastic, glass, steel, nylon.
Section C (3 marks each)
11. Goldfish — fish; Snake — reptile; Cat — mammal. (1 mark each)
12. No, disagree. An insect has 6 legs and 3 body parts (head, thorax, abdomen), but an earthworm has no legs and does not have these 3 body parts. (1 mark for disagreement + 2 marks for reasons)
13. Any two: Glass is transparent, so we can see the fish inside; glass is waterproof so it holds water without leaking; glass is hard and smooth.
14. Similarity: Both are plants (living things that can make their own food). Difference: A fern is a non-flowering plant that reproduces by spores, while a hibiscus is a flowering plant that reproduces by seeds.
15. She is incorrect. A dolphin gives birth to live young and suckles its young with milk; it breathes with lungs and is warm-blooded. These are features of mammals, not fish.
Section D (4 marks each)
16. (a) Living things. (b) Group X: e.g. dog/plant/mushroom; Group Y: e.g. rock/water/chair. (c) Any one: they need food, air and water; they can move by themselves; they grow and die.
17. (a) Paper towel. (b) Paper towel — it absorbed the most water (only 10 ml passed through), showing it is absorbent and can soak up spills. (c) To ensure a fair test, so that the results can be compared fairly.
18. (a) Fungi. (b) Any two: They cannot make their own food; they reproduce by spores; they grow on decaying matter. (c) By spores.
19. (a) Any two: Plastic is lighter than glass; plastic is less likely to break/shatter; plastic is cheaper. (b) Plastic may stain or retain smells easily / plastic is less environmentally friendly / lower quality appearance. (Any reasonable answer.) (c) Both are waterproof (or both are man-made materials).
20. (a) Fish. (b) Any two: It has fins and scales; it breathes through gills; it lays many eggs in water. (c) A crocodile / sea snake / turtle (any water-dwelling reptile).
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