全港學生STEAM精英挑戰賽2026 – (博愛醫院陳楷紀念中學 – 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60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60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 60 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 60 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 is the mode of 2, 3, 3, 4, 5? (2、3、3、4 和 5 的眾數是多少?)

2 / 20

A distance-measuring app uses angle of depression (θ) and height (h). The formula for distance is:
一個距離測量應用程序使用下視角 (θ) 和高度 (h)。距離的公式是:

3 / 20

What is the ratio of 2:3 equivalent to? (2:3 的比率等於什麼?)

4 / 20

A trundle wheel measures 100 m with 2% error. Actual distance is: (滾輪測量 100 m,誤差為 2%。實際距離為:)

5 / 20

In a temperature-time graph for thermal devices, one brand shows a slower cooling rate than another. Which metric is most effective for comparing their cooling performances?
在熱設備的溫度-時間圖中,一個品牌的冷卻速度比另一個品牌慢。哪個指標最有效地比較它們的冷卻性能?

6 / 20

What is the main purpose of a mathematical model?
數學模型的主要目的是什麼?

7 / 20

How many bits are in a byte? (一個字節有多少位?)

8 / 20

Which angle is needed to draw a regular pentagon?
畫正五邊形需要什麼角度?

9 / 20

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

10 / 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?

11 / 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?

12 / 20

Which food is good for low-salt diet?
哪種食物適合低鈉飲食?

13 / 20

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

14 / 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?)

15 / 20

Which of the following is the primary benefit of a balanced diet?
以下哪項是均衡飲食的主要好處?

16 / 20

Which component converts kinetic energy to electrical energy in regenerative braking system(RBS)?
再生制動系統中,哪個組件負責將動能轉換為電能?

17 / 20

What is the unit of energy used in electricity bills? (電費中使用的能量單位是什麼?)

18 / 20

If ∆ABC ≅ ∆DEF, which property guarantees their congruence? (如果 ∆ABC ≅ ∆DEF,哪個性質保證它們的全等性?)

19 / 20

Which food is high in sodium?
哪種食物鈉含量高?

20 / 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?