Science · 3 practice questions in the free bank
The short version, then the full guide below.
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Matter is a tested science topic in the Singapore PSLE. The marks are not usually lost because a child does not know the method — they are lost in one specific step, and because nobody can tell the child which step went wrong, the same mistake repeats.
Options: a) It soaked into the marble floor. · b) It boiled at 100°C because the day was hot. · c) It evaporated into water vapour in the air. · d) It melted and changed into a gas.
Correct answer: C
Four things that work, and they use the same method as the worked example above.
Marks in Matter are usually lost in one step, not across the whole question. Ask your child to say each step before writing it — a broken step is much easier to catch when you can hear it.
A tick or a cross on the last line tells you nothing about where the thinking broke. Read the working line by line and ask, for each line, what it was for.
One sentence is enough. Name the step rather than the topic — “I divided before finding one part” tells you what to fix next; “I am bad at Matter” does not.
The free bank has 3 Matter questions, marked step by step, and it needs no signup. A short set with the working marked tells you more than a long page of answers.
Every question in this topic is marked step by step, so when your child goes wrong you can both see exactly which step broke. No signup.
Practise Matter free →Or take the free 3-minute diagnostic to see which topics are actually weak.
Evaporation is liquid water turning into water vapour without boiling. It happens at any temperature, which is why a puddle dries on a cool day as well as a hot one.
Boiling is the same liquid-to-vapour change, but it happens throughout the liquid at its boiling point — 100°C for water at sea level. A hot canteen floor is nowhere near that temperature, so an answer that says the water boiled loses the mark.
Condensation is the reverse of evaporation: water vapour cools and turns back into liquid water, such as droplets on the outside of a cold glass.
Melting and dissolving are not the same thing. Melting is a change of state caused by heat — the same substance turns from solid to liquid, and cooling turns it back. Dissolving is one substance mixing into a liquid to form a solution: the sugar in a cup of tea is still sugar and has not changed state. An answer that says the sugar melted in the tea loses the mark.
Yes — Matter is a Science topic in the Singapore PSLE, and the free Kyly Tuition bank holds 3 questions on it for P5 and P6 pupils.
Usually not because they do not know the method. They lose marks in one specific step, and because the mistake is never identified, they practise more of the same and repeat it.
Yes. The daily drills are free in all four subjects for your first month, with no signup and no card required. The free diagnostic is also free.
Yes. The bank includes step-marked written problem sums, not only multiple-choice questions, and each step is marked separately.
Mark the working, not just the answer, and name the one step that broke. The guide above walks through a real Matter question step by step, and the free bank marks each written step separately, so you can see which step went wrong instead of only seeing that the answer is wrong.
3 questions on Matter are in the free Kyly Tuition bank, each marked step by step, with no signup and no card.
Usually in one specific step rather than across the whole question. The worked example above shows a real Matter question and flags the step children break on it.
Melting is a change of state caused by heat: the same substance turns from solid to liquid — ice to water — and cooling turns it back again. Dissolving is one substance mixing into a liquid to form a solution, like sugar in water: the sugar is still sugar and has not changed state. An answer that says the sugar melted in the tea loses the mark.
Two parts: name the process, then name what changed. For the water on the marble floor: “The water gained heat from the air and evaporated — it changed from liquid water to water vapour.” Naming the process (evaporated) and the change (liquid to water vapour) is what earns the mark; “the water disappeared” does not.
Open-ended Science answers are marked against the specific accepted points, so an answer that carries the right idea but not the named process or the named evidence misses those points. “It got hot so it went away” has the right idea and no mark. One habit fixes it: name the process, then name what changed.
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