全港學生STEAM精英挑戰賽2025 – 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

A car travels 150 meters in 30 seconds. What is its speed?
一輛車在 30 秒內行駛 150 米。它的速度是多少?

2 / 20

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

3 / 20

Which of these is NOT an input device?
以下哪個不是輸入設備?

4 / 20

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

5 / 20

In a science experiment, a student named Ming measured the length of an object. His measured value is 30 centimeters, while the actual length is 28 centimeters. Ming wants to understand the accuracy of his measurement.
在一次科學實驗中,學生小明測量了一個物體的長度。他的測量值是 30 厘米,而實際的長度是 28 厘米。小明想要了解他的測量精確度。
(Tips: Error=Measured Value−Actual Value)

6 / 20

What is the primary purpose of using alcohol-based sanitizers?
使用酒精消毒劑的主要目的是什麼?

7 / 20

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

8 / 20

What is the main function of the human skeletal system?
人體骨骼系統的主要功能是什麼?

9 / 20

What is the volume of a sphere with radius 2 cm? (半徑為 2 cm 的球的體積是多少?)

10 / 20

A sail’s area is 300 cm². If the shape changes but the area stays the same, the speed:
帆的面積為 300 cm²。如果形狀改變但面積保持不變,那麼速度:

11 / 20

What is the median of 3, 5, 7, and 9? (3、5、7 和 9 的中位數是多少?)

12 / 20

A 4-bit code has only being used 11 combinations. How many unused codes left?:
4 位元代碼已使用 11 種組合。未使用的代碼數量是?

13 / 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?

14 / 20

What is the tangent of 45°? (45° 的切線是多少?)

15 / 20

At what temperature does a silicone rubber start to melt? (矽膠的熔點是多少?)

16 / 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?)

17 / 20

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

18 / 20

Which material is lightweight for a sail?
哪種材料可用來做輕便帆船?

19 / 20

Silicone is chosen for kitchen utensils due to its: (矽膠被選為廚房用具是因為它的:)

20 / 20

If the angle of elevation is 30° and the height is 10 m, what is the distance? (如果仰角為 30°,高度為 10 m,距離是多少?)