This P3 Science CA1 paper from Henry Park (2023) contains 23 questions worth 35 marks. Use it as a study reference for Science topics typically tested at P3 level in Singapore schools.
Q1MCQ2 marks🖼 Visual
1. The object shown below can talk and move on its own. Gavin concluded that the object is a living thing. His classmate told him that he was wrong. Which statement(s) below explain why Gavin is wrong? A The object cannot grow. B The object cannot reproduce. C The object can respond to changes. (1) A only (2) C only (3) A and B (4) A, B and C
Q1Open-ended1 mark🖼 Visual
(b) Observe and compare the characteristics of button C and button F. State one difference between buttons C and F.
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Question 1 - Performance Task on Classification (Duration: 15 minutes) Observe the buttons (A, B, C, D, E, F, G and H) given to you. The classification table below shows the buttons being classified into 3 groups. (a) Write a suitable heading for each group given above. Group 1: Group 2: Group 3:
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2. Study the classification table below. Which of the following things have been classified wrongly? (1) air (2) dog (3) bacteria (4) cardboard
Q2Structured2 marks🖼 Visual
Question 2 continued c) The pictures represent 8 animals. From the pictures given, write down the correct number of animals in each of the following animal groups. Animal Groups Mammal Fish Insect Bird
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3. Ming Xuan placed a slice of bread in a plastic bag and kept it in a dark room. He did the same for three other slices but sprinkled different amounts of water on each slice. He observed the number of days the bread took to turn mouldy. Which of the following statements is correct? (1) Bread W was the first to turn mouldy. (2) Mould grows best in dry and dark conditions. (3) The lesser the amount of water added, the faster the bread turned mouldy. (4) The more the amount of water added, the faster the bread turned mouldy.
Q3Structured1 mark🖼 Visual
Question 3 Study the diagrams of plants G and H shown below. Based on the diagrams given, tick (✔) the correct statement(s) given. (a) Both produce flowers. (b) Both make their own food. (c) Both reproduce from spores. (d) Both need air, food and water.
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Question 4 The diagram below shows some living things, P, Q, R, S and T. Use the letters in the diagram above to answer the following questions. Based on the diagram above, (a) name the plants.
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4. Which of the following correctly shows the life cycle of a flowering plant?
Q5MCQ2 marks🖼 Visual
5. Study the chart below. Which of the following correctly represents animals X, Y and Z?
Q6Structured1 mark🖼 Visual
Section B (3 x 2 marks) 6. The pictures below show the four-stage life cycle of a common household pest. (a) Label the stages next to the pictures in the life cycle below.
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7. A pupil saw two organisms, A and B, at her school garden as shown below. Organism A is found on a tree and organism B is found on the ground. She noticed brown spots on the underside of both organisms. Her teacher told her that these brown spots are important for their reproduction. (a) What do you think these brown spots are?
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8. The flowchart shows how living things are classified. Based on the flowchart above, write down two possible questions for parts (a) and (b). Question (a): Question (b):
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Section C (2 x 2m) 9. Ali planted a few seeds in a pot. He placed the pot in a garden and watered it daily. He recorded the height of the seedlings as shown below. (a) Predict the height of the plant in week 3. ____ cm
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10. Meili conducted an experiment. She placed some worms on a tray and covered half the tray with a piece of black cloth as shown in the set-up below. She then placed the tray out in the garden on a sunny day. Ten minutes later, she observed that the worms had crawled to the covered part of the tray. Meili then placed the same number of worms in another tray as shown below and left the set-up out in the garden. (a) Where would the worms most likely be found in the second set-up?
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