P4 Science CA1 2025 — Maris Stella High

Study the classification chart below. Which thing is not classified correctly?

Which of the following is not a characteristic of an insect?

Study the two diagrams below. The papaya plant and the bird's nest fern are similar because they ____. A reproduce by seeds B are non-flowering plants C can make their own food

Hafiz measured the mass of P over a period of four months. He drew a graph based on his results as shown below. What could P likely be?

Mrs Ong carried out an experiment to find out if the amount of water on bread affects the growth of mould on it. She placed two pieces of bread in two identical bags, A and B, and sealed the bags. The variables for his experiment are shown in the table below. Which of the following should Q and R be to ensure a fair experiment?

Which one of the following is not matter?

Samuel moulded a piece of plasticine into the shape of a star. Then, he used the same piece of plasticine to mould it into the shape of a ball. Both the star and the ball have the same ____. A mass B shape C volume

Weiming filled 200 ml of water into each of the three containers as shown below. What can he conclude from the experiment?

Which apparatus can be used to measure the mass of a pebble accurately?

Study the flowchart below. Which of the following correctly represents A, B and C?

Study the flowchart below to answer the following questions. (a) Give a reason why animal Q cannot be a mammal. [1] (b) State one difference between animal S and animal T. [1] (c) State one similarity between animal P and animal R. [1]

Jerome poured some water into the measuring cylinder as shown below. (a) State the amount of water in the measuring cylinder. Include the correct units in your answer. [1] (b) Jerome wanted to find out the volume of his marble. He observed that the water level increased when he placed it in the measuring cylinder. What property of matter did he observe? [1] (c) Jerome wanted to place 100 glass marbles in a container that has a capacity of 100 cm³. Each glass marble has a volume of 1 cm³. Jerome was unable to fit all the glass marbles in the container. Explain why. [2]

Kumar pumped air into beach ball A that has a volume of 250 cm³ as shown below until it is fully inflated. (a) Kumar continued to pump 20 cm³ more of air so that the ball felt firmer. What is the final volume of air in the inflatable beach ball? [1] (b) State the property of gas used to conclude the volume of air in (a). [1] (c) He was given another identical beach ball B that had no air in it. Fill in the boxes with A and B to indicate where beach balls A and B were placed for the beam balance to tilt in the way shown. [1]