全港學生STEAM精英挑戰賽2026 – (聖公會白約翰會督中學 – 初中組)

賽前注意事項:

  1. 本次比賽將包含20條選擇題。參賽者需在五個選擇內選一個正確的。
  2. 請老師預留30分鐘的時間用於學生比賽。我們嚴格遵守時間管理，以確保比賽的公平性和效率性。
  3. 請老師和參賽者在比賽期間保持冷靜，不必急於完成。
  4. 一旦進入網頁，計時器將立即開始倒數計時，所以請確保在按下連結之前已經準備妥當。
  5. 每位參賽者只有一次機會進行比賽，請確保在提交答案前仔細確認。重複提交將導致資格被取消，請謹慎操作。
  6. 請在開始後的30分鐘內完成試題。

Pre-match Notes:

  1. This competition will include 20 multiple-choice questions. Participants must choose one correct answer from five options.
  2. Teachers are requested to reserve 30 minutes for the student competition. We strictly adhere to time management to ensure fairness and efficiency.
  3. Teachers and participants are asked to remain calm during the competition and not rush to finish.
  4. Once you enter the webpage, the timer will start counting down immediately, so please make sure you are ready before clicking the link.
  5. Each participant has only one chance to compete; please ensure you double-check your answers before submission. Resubmission will lead to disqualification, so please proceed with caution.
  6. Please complete the questions within 30 minutes after starting.
請輸入密碼。Please enter password.

請先輸入參賽者和家長資料,資料必須與登記比賽申請表的資料一致。之後家長準備好在旁用手機拍攝做提過程，再按下頁開始：
Please enter participant and parent information, the information must be the same as application. Then parent gets ready to take video using mobile phone, then press Next button to start:

1 / 20

What force pulls objects toward Earth’s center?
什麼力把物體拉向地心？

2 / 20

Which bridge type can span the longest distance?
哪種橋可以跨越最長的距離?

3 / 20

Which strategy reduces energy use in zero-carbon buildings?
零碳建築中哪項策略減少能源消耗？

4 / 20

What is the primary purpose of insulation films in green buildings?
隔熱膜在綠色建築中的主要目的是什麼？

5 / 20

GPS errors are reduced by: (GPS 錯誤減少的方法是：)

6 / 20

What is the purpose of a food pyramid?
食物金字塔的目的為何？

7 / 20

A diet menu must be balance because we need: (飲食菜單必須平衡因為我們要：)

8 / 20

What is a key feature of a relational database?
關聯數據庫的一個關鍵特徵是什麼？

9 / 20

A city’s visitor count decreases at 5% annually. If there were 50,000 visitors in 2025, how many are projected for 2027? (一個城市的訪客數每年減少 5%。如果 2025 年有 50,000 名訪客，預計 2027 年會有多少？)

10 / 20

A hotel’s room supply grows by 3.2% yearly. If it had 10,000 rooms in 2025, how many will it have in 2027? (一家酒店的房間供應每年增長 3.2%。如果 2025 年有 10,000 間房，2027 年將有多少？)

11 / 20

Why is safety important in engineering practice?
為什麼安全在工程實踐中很重要？

12 / 20

Coal power emits 1.04 kg CO₂/kWh, while natural gas emits 0.418 kg CO₂/kWh. How many times worse is coal?
煤電每千瓦小時排放 1.04 kg CO₂，而天然氣每千瓦小時排放 0.418 kg CO₂。煤的排放有多嚴重？

13 / 20

What is the capacity of a 250 mL cup in liters? (250 mL 杯子的容量是多少升？)

14 / 20

To calculate speed, you need:
計算速度需要：

15 / 20

Why do wheels heat up in Traditional Braking Systems?
為什麼傳統煞車系統會使車輪發熱？

16 / 20

Which shape has rotational symmetry?
哪種形狀具有旋轉對稱性？

17 / 20

What is the boiling point of water at sea level? (海平面上水的沸點是多少？)

18 / 20

Which pollutant has the largest emission difference between coal and natural gas? (哪種污染物在煤和天然氣之間的排放差異最大？)

19 / 20

If a=3 and b=4, what is a² + b²? 如果a=3,b=4,那麼a²+b²是多少?

20 / 20

GPS tracking errors are primarily due to: (GPS 跟蹤誤差主要是由於：)

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