P3 Science SA1 2025 — Northland Primary

The diagrams show two animals. Which is a similar characteristic of a reptile and an amphibian?

David put two fish in a tank. After a few weeks, he observed that the number of fish in the tank changed as shown. Which characteristic of living things best describes the observation?

Study the flowchart. Which of the following best represents letters A, X and Y?

Ahmad wanted to compare the strength of his plastic bag and fabric bag of similar size. He kept on adding weights until one of the bags broke. In this experiment, what was the changed variable?

Study the classification chart. Which option correctly represent A and B?

Ryan wanted to find a suitable material for part X to make a slingshot as shown. Ryan set up an experiment using different materials of similar thickness and length, A, B, C and D. He put the materials over two supports and placed 200g weights in the middle of each material. The different materials bent as shown before returning to its original shape. Which material should Ryan use for part X to make the slingshot go furthest back?

The table shows the properties of four materials, P, Q, R and S. Based on the properties above, which material is most suitable for making part Z of the above toy boat?

Study the diagrams. (a) Based on what you can observe from the diagrams, name one similar characteristic between animal A and animal B. [1] (b) Which group of animal does animal A belong to? [1] (c) Give a reason for your answer in (b). [1]

Study the flowchart. (a) Based on the flowchart, state two characteristics of material B. [1] (b) Which material, A, B, C or D, is the most suitable to make part X of the car? Explain your answer. [2]

Ethan wanted to find out which material is most suitable to make a raincoat. He placed similar sheets of material P, Q and R over three similar containers. He then poured same amount of water onto each material. Ten minutes later, the amount of water collected in each container is as shown. Which material, P, Q or R, should Ethan use to make the raincoat? Explain your answer.