PSLE Science Questions- Part 2
Contents:
Recall that food sugar is made in plants and oxygen is given out during photosynthesis to replenish the air. Note the question terms used in the question. This will help you understand what answer is required of you in order to score full marks for that particular question. The observation is that object X does not move. Object X does not move because it is neither a magnet nor an object made of magnetic material. If object X is a magnet or a magnetic material, it will either be attracted to or be repelled by the magnet.
State means that you only need to write short answers, meaning a few words or short phrases.
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Since object Y moves away from the magnet, object Y is also a magnet. Magnets are made of or can be made by one of the four types of magnetic materials. For b , the question is asking for a reason. As mentioned earlier, air does not have a fixed volume and a fixed shape. We can only see the shape of the air changing when it is being transferred from one container to another of a different shape.
Air does not have a fixed volume and hence it can be compressed.
How to score full marks in the PSLE Science MCQ section
Do note that constant revision is also essential in preparing for the examination. Hopefully, with these tips in mind, you will find that Science is not as difficult as you might think and will be on your way to achieve your ideal grade. Predators will not be able to eat Animal X that is hiding in the shell. Plant C withered because it cannot photosynthesise.
This Book is part of a 3-series assessment book that boost a collection of questions from the simplest to the most challenging. Each volume is subdivided into. Debunking Conceptual Mistakes in PSLE Science: Part 2. Posted 20 This is a common misconception that is made in open-ended questions.
It cannot photosynthesise as both the top and bottom of the leaf is covered with oil which does not allow gaseous exchange. Since the leaf cannot take in carbon dioxide, it cannot photosynthesise to make food. Without food it dies. Tube S will have the highest increase in carbon dioxide. This is because both the snail and plant will respire and give out carbon dioxide. The plant gives out carbon dioxide because there is no sunlight to photosynthesise due to the light being blocked.
Object Y has a greater volume because the water level is higher as shown in the diagram. The water level is higher as object Y occupies more space than object X. The heat from the candle flame causes the surrounding air to gain heat. The heated air expands and rises. The rising air which is moving causes the spiral to spin. When some of the fish is thrown away, the weight of the boat is reduced.
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This will cause the boat to rise. When the boat rise, it will not come into contact with the seabed and hence will be able to move forward. PSLE Science structured questions demand complete and comprehensive answers.
Last minute PSLE Science tips to ace your exam
As much as we like to encourage learning, there is a need to learn how to answer questions. I have broken the answering techniques into several skills, namely: The technique here is to identify the starting point and end point and fill in the rest. Let us take a look at some examples. So… Start — hot buns 1. Hot water vapour rises 2. Condense on cooler inner surface of box to form water droplets 3.
If object X is a magnet or a magnetic material, it will either be attracted to or be repelled by the magnet. So it is fair to say that if you can explain properly, you will do pretty well. When tiny, dust-like substance from plant P land on other tree trunks, they grow into new plants. Others, need an added push to clarify why they are lacking the right techniques to score in their answers. As you can see, our answers will not be too far off from the answer guide by using the start end technique. Ability to pick out key information from the question stem. Jayce also possesses a robotics training background from the Singapore Science Centre.
Are stored in a box with less holes 2. Less water vapour can escape 3.
PSLE 2017 Discussion Questions (Science)
More water vapour condense to form water droplets 4. Snake F benefits as predators will not eat snake F thinking that it is snake G which is poisonous. As snake F looks less like snake G over time, the predators will not think it is poisonous and hence feeds on it.
This will decrease the population of snake F. Glass is harder than rubber.
Therefore rubber cannot scratch glass. The raised dots increases the surface area of the handle. More friction will help the worker have a better grip.
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