This P3 Science CA1 paper from Anglo Chinese (2025) contains 7 questions worth 15 marks. Use it as a study reference for Science topics typically tested at P3 level in Singapore schools.
Q1Structured2 marks🖼 Visual
Study the classification diagram.
(a) Give suitable sub-headings for groups A and B.
Group A : _______________
Group B : _______________
(b) Circle the things that can be classified in Group A.
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Fill in the crossword puzzle with the clues provided.
Across:
1. ____ is the variety of living things and non-living things around us.
3. Grouping things based on their ____ is called classification.
4. We can ____ things based on their common characteristics.
Down:
2. Living things need air, food and water to ____.
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Miran took a plant, watered it and then placed it in a wooden box as shown.
(a) She made a hole in the wooden box. After a few days, she observed that the plant grew towards one side as shown. In the diagram below, put a tick (✓) in the box where the hole had been made.
(b) State the characteristic of living things shown by the plant.
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Mei Ling placed a rat in a container with a bowl of water as shown.
(a) Why are there holes on the cover of the container?
(b) What will happen to the rat after ten days? Give a reason based on the characteristics of living things.
(c) Classify 'bowl', 'water' and 'rat' in the table.
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Taylor set up four identical jars, each with a similar-sized grasshopper inside. She sealed each jar with a different type of lid and added water to some of the jars to observe for a week.
(a) Which two jars should Taylor use to test the following aims?
(i) To find out if the grasshopper needs water to stay alive. ____ and ____
(ii) To find out if the grasshopper needs air to stay alive. ____ and ____
(b) Taylor used set-ups B and C to carry out an investigation. Which characteristic of living things is she trying to investigate?
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Aziz planted some seeds in a pot, watered them daily and recorded the plant's height in a graph. Aziz forgot to record the height of the plant for Week 3. Predict the height of the plant in Week 3.
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