P3 Science CA1 2021 — Rosyth

Which one of the following things most likely needs air, food and water to stay alive?

Which one of the following statements is true about bacteria?

Sam noticed that his pet dog shivered while he was bathing it. What did Sam's observation tell you about living things?

The table below shows the observations made by Siti on three things, W, X and Y, found at home. She stated their characteristics as shown in the table below. Based on the table, which one of the following statements is definitely true?

Study the classification table carefully. The animals below are grouped into two groups, C and D. The above animals are grouped according to ____

Kok Ming observed some fungi growing on his feet. What is a good advice to reduce the growth of the fungi on his feet?

The bowls used in a school canteen are usually made of plastic instead of glass. Which one of the following properties of plastic makes it a more suitable material to use than glass?

Sandy wants to install a window grille as shown below. A window grille must be ____ A: strong B: flexible C: waterproof D: transparent

A similar size water droplet is dropped onto papers, A and B. The observation is as shown below after five minutes. Which one of the following statements is correct?

The table below shows the maximum weight four different types of plastic bags, A, B, C and D, can hold before breaking. If we want to carry objects which weigh 4kg, which plastic bag(s) can be used?

Annie wants to buy a material to make a towel. The properties of materials, P, Q, R and S are shown below. A tick (✓) indicates that the material has the property. Which is the most suitable material she should choose to make a towel?

Sarah bought four fishes and put them in a fish bowl as shown below. (a) Tick (✓) all the conditions needed for the fishes to survive. [Air / Food / Water] [1] (b) One day, Sarah noticed that the fishes kept swimming near the surface of the water. Explain why the fishes were swimming near the surface of the water. [1] (c) What could Sarah do to prevent the fishes from swimming near the surface of the water? [1] (d) After some weeks, small baby fishes were observed in the fish bowl. This shows that living things can ____ [1]

Study the pictures of the two animals, X and Y, below. (a) Which animal group does Animal X belong to? [1] (b) State two reasons why Animal Y cannot be placed in the same group as Animal X. [2] Reason 1 Reason 2 (c) In terms of reproduction, state a similarity between Animal X and Y. [1]

The flow chart below shows the characteristics of materials, A, B, C and D. (a) Which of the following materials below are represented by letters A, B, C or D? Write the letter in the box provided. [1] Ceramic [ ] Clear Glass [ ] (b) State a similarity between material B and C. [1] (c) If C is a metal ruler and D is a rubber duck, what is the word in the question covered by the spilled ink on the flow chart? [1] Does it ____?

Andrew set up an experiment as shown below to compare the flexibility of three different materials, X, Y and Z, which are of the same length and thickness. A 3kg weight was placed in the middle of material X. Andrew measured the distance the material was bent. He repeated the experiment using materials, Y and Z. He recorded his results in the table below. Material | Distance (cm) X | 2 Y | 5 Z | 0 (a) Arrange the materials, X, Y and Z, according to their flexibility. Start with the least flexible material. [1] ____ (least flexible), ____, ____ (most flexible) (b) Based on the experiment above, which material, X, Y or Z, is most suitable for making a food tray? Explain your answer. [2]

Muthu conducted some tests on materials, S, T and W. The results of the tests are shown in the table below. A tick (✓) indicates that the material has the property. (a) Based on the results table above, state the four properties of T. [2] (b) The diagram below shows the lenses of a pair of glasses. Based on the results table above, explain why material S is not suitable to be used as the lenses of a pair of glasses? [2]