全港學生STEAM精英挑戰賽2026 – 高中組

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. 請家長預留60分鐘的時間用於比賽。我們嚴格遵守時間管理，以確保比賽的公平性和效率性。
  • 3. 請家長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. 在參賽者作答期間，請確保錄影能夠完整地捕捉參賽者的畫面。請將鏡頭正面對準，以清晰地拍攝參賽者的上半身和面部，同時保持面對鏡頭的正確姿勢。這將有助於評審更好地評估參賽者的表現。
  • 7. 參賽者家長可以使用智能手機或攝錄機進行錄影，請確保在安靜的環境下進行拍攝。請注意，影片不得進行任何形式的剪輯或後期製作，以確保比賽的公平性和一致性，否則將取消資格。
  • 8. 請在開始後的60分鐘內完成試題，完成後請把做提片段以WhatsApp發送給我們。如果文件太大可以先上載到YouTube或Google Drive再分享連結給我們，並把影片保留到公佈結果之後。這將有助於確保比賽結果的真實性和公正性。
  • 9. 家長可以在電腦上協助幼兒在電腦上操作，例如重播錄音給參賽者聽，但請務必不要提示答案。這樣能夠尊重比賽的精神，讓參賽者獨立思考和解答題目。

Pre-match Notes:

  • 1. This competition will consist of 20 multiple-choice questions. Participants need to select one correct answer from the five options.
  • 2. Please allocate 60 minutes of time for you participation in the competition. We strictly adhere to time management to ensure fairness and efficiency in the competition.
  • 3. Please maintain calmness during the competition, both for parents and participants. There is no need to rush to finish.
  • 4. Once you enter the webpage, the timer will start counting down immediately, so please ensure that you are prepared before clicking the link.
  • 5. Each participant has only one opportunity to take part in the competition, so please carefully review your answers before submitting. Multiple submissions will result in disqualification, so please exercise caution.
  • 6. During the participant’s answering period, please ensure that the recording captures the participant’s screen completely. Please position the camera directly in front to capture the upper body and face of the participant clearly, while maintaining the correct posture facing the camera. This will help the judges evaluate the participant’s performance better.
  • 7. Participants’ parents can use smartphones or cameras for recording, please ensure a quiet environment for shooting. Please note that the video should not undergo any form of editing or post-production to ensure fairness and consistency in the competition. Otherwise, the qualification will be revoked.
  • 8. Please complete the test within 60 minutes after the start. After the competition completed, please whatsapp us the video, if the video size is too large to send through whatsapp you may upload to Youtube or Google Drive and then share us the link. Please keep the video file until result announced. This will help ensure the authenticity and fairness of the competition results.
  • 9. Parents can assist younger participants in operating the computer, such as pressing the replay button for participants to listen to, but please be sure not to provide any answer prompts. This will respect the spirit of the competition and allow participants to think independently and answer the questions.

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

Why might a quadratic equation program return an error for x2 – 4x + 5 =0
為何二次方程式程式在計算 x2 – 4x + 5 =0 時會報錯？

2 / 20

The most common material for 3D printing (FDM) is:
3D打印（熔融沉積成型）最常用的材料是：

3 / 20

What angle is complementary to 40°? (與 40° 互補的角是什麼？)

4 / 20

What is the term used to describe microorganisms that cause disease?
用於描述引起疾病的微生物的術語是什麼？

5 / 20

What is the binary number 1010 in denary? (二進制數 1010 在十進制中是什麼？)

6 / 20

The probability of event B occurring given that event A has occurred is called?
已知事件A發生的條件下，事件B發生的機率稱為？

7 / 20

if sin(30o)=½, what is sin(75o)
Given sin(A+B)=(sinA*cosB+cosA*sinB)

8 / 20

If a system reaches equilibrium (dx/dy=0), what does this imply?
若系統達到平衡 (dx/dy=0)，這意味著什麼？

9 / 20

Which of the following is considered unstructured data?
以下哪一項被認為是非結構化數據？

10 / 20

In a disease transmission model, if the basic reproduction number (R₀) is less than 1, the epidemic will most likely:
在疾病傳播模型中，若基本傳染數 (R₀) 小於 1，疫情最可能：

11 / 20

GPS helps determine: (GPS 有助於確定：)

12 / 20

A dataset’s mode is the value that: (數據集中的眾數是：)

13 / 20

Which of the following is an example of a structured data format?
以下哪一項是結構化數據格式的例子？

14 / 20

What is a key purpose of using mathematical models in real-world scenarios?
在現實情境中使用數學模型的一個主要目的是什麼？

15 / 20

What is Machine Learning (ML) in the context of AI?
在 AI 的範疇中，機器學習 (ML) 是什麼？

16 / 20

Which unit does a 3D printer use?
3D 打印機使用哪個單位？

17 / 20

The average of five distinct positive integers is 12. If the largest integer is 18, what is the maximum possible value of the smallest integer in the set? 有五個不同的正整數，其平均數為12。若最大的整數是18，則集合中最小的整數的最大可能值是多少？

18 / 20

Which scenario best exemplifies exponential growth?
以下哪種情境最能體現指數增長？

19 / 20

What is the main ingredient in bleach? (漂白劑的主要成分是什麼？)

20 / 20

In a nutrition optimization problem using 2 food items, if:
Hamburger costs $12 each and provides 512 kcal
Soya drink costs $5 each and provides 128 kcal
if daily energy requirement is ≥2,400 kcal, which inequality represents this constraint?
Let x be the serving quantity of Beef Hamburger and y be the service quantity of Malted Soya Milk, while $ C be the total amount of the food taken.

**在營養優化問題中使用2種食物時，若：
漢堡每個12元，提供512大卡
豆奶每個5元，提供128大卡
若每日熱量需求≥2,400大卡，正確的限制不等式為何？
設 x 為牛肉漢堡的份數，y 為麥芽豆奶的份數，而 C 美元為所選食物的總花費。

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