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Hong Kong Primary 6 General Studies Practice Paper 2 with Answers | 10 questions, 50 minutes
Primary 6 General Studies paper 2: sleep time, home electricity and carbon emissions, levers in balance and a six-month temperature chart, 10 questions in 50 minutes for 100 marks, with answers, marking notes and printable question and answer PDFs.
Part A: Health and daily life (20 marks)
Since I started Primary 6 I sleep much less. My doctor says children of my age should sleep about 9 hours a night.
I kept a record for a week: on school nights I go to bed at eleven and get up at a quarter past six, which is about 7 hours 15 minutes.
In minutes, 9 hours is 540 minutes, but I actually slept 435 minutes, which is 105 minutes short – 1 hour 45 minutes.
The doctor says too little sleep affects memory and mood and makes you fall ill more easily. He told me to charge my phone outside the bedroom, keep off screens for half an hour before bed and go to bed earlier.
I tried for a week and I really did feel less sleepy in class.
Read the passage and answer the questions.
| # | Question | Answer and marking notes |
|---|---|---|
| 1 | How many hours a night does the doctor advise? How many minutes is that? (6 marks) | 9 hours (3 marks); 9 x 60 = 540 minutes (3 marks). |
| 2 | How many minutes does the writer actually sleep on school nights, and how far is that from the advice? (7 marks) | 7 x 60 + 15 = 435 minutes (4 marks); 540 – 435 = 105 minutes, which is 1 hour 45 minutes (3 marks). |
| 3 | Give two pieces of advice from the doctor for better sleep. (7 marks) | Charge the phone outside the bedroom (3 marks, “in the living room” is accepted); keep off screens for half an hour before bed (2 marks); go to bed earlier (2 marks). Any two, up to 7 marks. |
Part B: Climate and resources (25 marks)
Our family of four used 400 kWh last month. My father put the bill on the fridge and said we should save electricity together.
Our target is to use 15 per cent less than last month, which means saving 60 kWh, so the new target is 340 kWh a month.
If we keep it up for a year, the yearly use would be 340 x 12 = 4,080 kWh.
My mother turns off lights and unplugs chargers; I take shorter showers; my brother reminds everyone to switch off the air conditioner.
A month later the bill really was lower. My father says saving electricity is not only about money: part of Hong Kong electricity comes from burning fossil fuels, so using less means less carbon dioxide is released.
Read the passage and answer the questions.
| # | Question | Answer and marking notes |
|---|---|---|
| 4 | If 400 kWh is cut by 15 per cent, how much is saved and what is the new monthly target? (12 marks) | 400 x 15% = 60 kWh (6 marks); 400 – 60 = 340 kWh (6 marks). |
| 5 | If the new target is kept for a year, what is the yearly use? (6 marks) Why does saving electricity cut carbon dioxide? (7 marks) | 340 x 12 = 4,080 kWh (6 marks); part of Hong Kong electricity comes from burning fossil fuels, so less electricity means less fuel burnt and less carbon dioxide released (7 marks). |
Part C: Science and technology (30 marks)
In the park a worker lifted a big rock with a wooden bar and a stone block. My father says this is a lever.
A lever has three points: the fulcrum (the stone block), the effort point (where the hand presses) and the load point (where the rock is). To lift something heavy you can make the effort side longer, move the fulcrum closer to the rock, or get help to push harder.
He drew a diagram: on the left, 20 cm from the fulcrum, a force of 60 N pushes down; on the right, 30 cm from the fulcrum, sits a rock weighing 40 N.
60 x 20 = 1,200 and 40 x 30 = 1,200, so “force x distance” is the same on both sides and the bar balances exactly.
That is why long-handled scissors and bottle openers need less effort: a longer distance means a smaller force.
Read the passage and answer the questions.
| # | Question | Answer and marking notes |
|---|---|---|
| 6 | Name the three points of a lever and give the object used for each in the passage. (10 marks) | Fulcrum – the stone block; effort point – where the hand presses the bar; load point – where the rock sits. (3 marks each, 1 mark when all three are complete.) |
| 7 | Why does 60 N at 20 cm on the left balance 40 N at 30 cm on the right? Show the calculation. (10 marks) | Left: 60 x 20 = 1,200; right: 40 x 30 = 1,200 (6 marks); the “force x distance” on both sides is equal, so it balances (4 marks). |
| 8 | Why does a long-handled pair of scissors need less effort than a short-handled one? Use the lever idea. (10 marks) | A long handle makes the distance from the effort point to the fulcrum longer (4 marks); if “force x distance” stays the same, a longer distance needs a smaller force (4 marks), so cutting thick material is easier (2 marks). |
Part D: Charts and data (25 marks)
Figure 1: Average temperature in six months of one year (C, sample data)
Study Figure 1 and answer the questions.
| # | Question | Answer and marking notes |
|---|---|---|
| 9 | What are the highest and lowest average temperatures in the chart, and in which months? (12 marks) | Highest: July at 29 C; lowest: January at 16 C. (6 marks each: 3 for the month, 3 for the figure.) |
| 10 | What is the difference between them? (6 marks) What is the mean of the six months? (7 marks, one decimal place) | 29 – 16 = 13 C (6 marks); 16 + 19 + 26 + 29 + 28 + 23 = 141, so 141 / 6 = 23.5 C (7 marks; deduct 2 if not given to one decimal place). |
A TutorZone practice paper; original questions and passages, not publisher material.
