7th Oct 2010: P4 Science Practice Paper

Updated on: 11/10/2010
Townsville Primary School Practice Paper 1 (P4) - Given on 7th Oct 2010
Booklet B

Q31) a: (i) Solid
(ii) Liquid
(iii) Gas
b: Any Liquid (as long as it is matter)

Q32) a: The stone takes up space/ it has volume. [I do not accept mass]
b: 10 ml
c: 45 ml [0.5 marks will be deducted if units are not stated]

Q33) a: Noel is wrong. Sound does not have mass OR volume OR occupy space.
b: Any solid

Q34) a: The water is cold.
b: The water is hot.
C: The hot water heats the air in the bottle (0.5m) and causes the air to expand (0.5m).

Q35) a: Ronald added ice/ put it in the freezer. Must add something cold, not blowing/ stirring etc.
B: The water has become ice/ frozen/ changing to ice.
C: He heated the water/ added hot water. The water must gain heat.

Q36) a: Vase Y is made up if a material that does not allow light to pass through it while Vase Z is made of a material that allows some light to pass through it. [Must compare both vases, 0m if only vase Z is mention, 0.5m if only vase Y is mentioned.]
B: Vase Y

Q37) a: Move the wooden cube nearer to the screen/ the screen nearer to the cube/ move the light further away from the cube.
B: Glass

Q38) a: Plant Y
B: The plant has sunlight to make food (0.5m) because light can pass through the box (0.5m). [Both points are important!]
C: The material/ kind/ type of box.

Q39) a: Part A – Flower, Part B – Leaf
B: Part C holds the plant upright while Part D holds the plant firmly to the ground OR
Part C transports water to all parts of the plant while Part D absorbs water from the soil.
[Must compare according to similar function]
c: Part A ensures the continual reproduction of the plant OR Part B helps the plant make food.

[Both answers are accepted as long as the important function is listed. Answer in the negative will not be accept. For Eg, If part A is missing…. ]

Q40) a: Plant A does not have much roots to absorb water and nutrients for the plant to grow well. [Must show cause & effect]
B: The roots are not able to hold the plant firmly/well to the ground. [without firmly/well, 1m will be deducted]

Q41) a: Mouth: The saliva has digestive juices to start digestion
Gullet: The muscle help pushes the food from the mouth into the stomach
B: Small intestines: Digestion of food continues and is completed here OR
Digested food is absorbed into the body

Q42) a: Stomach
B: More digestive juices are added/ Digestion of food.

Q43) a: Material A or B, Please state relevant characteristics.
B: No, it is not flexible/ cannot be bent.

Q44) a: D
B: Any mammal that cannot fly and has hair on its body (except Bat).


Remarks:
Mistakes were generally on
Q34c: Students did not explain what causes the air to expand - the heat from the hot water,
Q35b: Qn was asking what happened to the water, [I do not accept the answer "The temperature has dropped to 0 deg". The temperature has in fact remained at 0 degrees.]
36a: Comparison was not made,
37a: Concept of making shadows was unclear - For sharper images, light source has to be further away from object, but the object has to be nearer to the screen,
39b: Comparison of functions does not match, For eg: Part C holds the plant upright while Part D adsorbs water.