P3 Science SA1 2025 — CHIJ

Study the diagram below. Based on the diagram above, which of the things A, B, C, D or E are living things?

Diana kept a mouse in a container as shown below. After a few days, the mouse died. Which of the following should she have done to keep the mouse alive? A Poke holes on the lid. B Use a smaller container. C Place food in the container. D Place another mouse in the container.

Which one of the following observations is matched correctly to the characteristics of living things?

Alvin grouped some buttons based on the number of holes they have as shown below. Based on the table, which button was classified wrongly?

Which of the following statements about bacteria are true? A Bacteria can be useful to humans. B Bacteria come in different shapes and sizes. C Bacteria can be seen under a magnifying glass. D Bacteria can move by themselves from place to place.

Which one of the following characteristics can be used to differentiate between amphibians and mammals?

Study the flow chart below. Which of the following best represents X, Y and Z?

Study the diagram below. Which of the following statements about the mushroom and mould are true? A Both reproduce by seeds. B Both need food to stay alive. C Both respond to changes around them. D Both can only be seen clearly under a microscope.

The growth of a plant is shown below. Which of the following will change during the growth of the plant? A The number of leaves B The size of the leaves C The height of the plant D The length of the roots

The diagram below shows the cross-section of a seed. Based on the diagram, which of the following statements are true? A Part W protects part X. B Part Y stores food for the seed. C Part X is the embryo of the seed. D Parts X and Y grow bigger after the seed germinates.

Ken observed the development of a seed into a young plant and recorded his observations below. Based on the table, from which day would the young plant most likely be able to make its own food?

Erin pushed material X into a container of water as shown below. She observed that the material X rose to the surface of the water when she removed her hand. What is the aim of her experiment?

The properties of four materials A, B, C and D are shown in the table below. A tick (✓) shows that the material has the property. The diagram below shows a serving tray for putting food and drinks. Based on the table, which material A, B, C or D is most suitable for making the serving tray?

Ali carried out an experiment using four different materials P, Q, R and S. He placed 5-kg weights on material P until it broke. He repeated the experiment with materials Q, R and S. He recorded the results in the table below. What could Ali conclude from the results of his experiment?

Sam grouped four animals based on their characteristics as shown below. (a) State one difference between the animals in group A and B based on their outer covering. [1] Derrick saw a bat as shown below. (b) Using a different characteristic, which group A or B should he classify the bat? Explain your answer. [1]

Alice placed a plant in a box. After a few days, she observed that the plant grew towards the hole as shown below. (a) Based on her observation, tick (✓) the material that the box is made of. [Options in table: Glass / Cardboard / Clear plastic] [1] (b) Explain your answer in (a). [1]

Ben conducted an experiment using three similar pieces of bread P, Q and R. He placed them in different conditions as shown in the table below. After a week, Ben observed some mould growing and recorded the results in the graph below. (a) Based on the conditions, draw the amount of mould found on bread P in the graph above. [1] (b) Which group of living things does bread mould belong to? [1]

Rani wanted to find out if water is needed for seeds to germinate. She used the items shown below for her experiment. She wrote down the first three steps of her experiment: 1. Place some cotton wool into containers A and B. 2. Put three seeds each into both containers. 3. Sprinkle some water daily into container A only. (a) In the table below, tick (✓) the next step of her experiment. [Options: Place both containers in a dark cupboard. / Place container A in a dark cupboard and container B in an open field.] [1] After a few days, she observed that the seeds in only one of the containers germinated. (b) In which container A or B did the seeds not germinate? Explain your answer. [1] (c) Based on the results of her experiment, state two other conditions needed for seeds to germinate. [1]

Hassim set up an experiment as shown below to compare a property of materials X, Y and Z. He measured the distance d for each material when the same weight was hung on each of the materials. He recorded the results in the table below. (a) Which property of materials was Hassim trying to compare? [1] Hassim also tested and recorded the absorbency of materials X, Y and Z in the table below. A tick (✓) shows that the material is waterproof. The diagram below shows a pair of rubber gloves used for washing dishes. (b) Based on all the results of his experiment, which material X, Y or Z is the most suitable for making the rubber glove? Explain your answer. [2]