搜尋標籤: "radiation"

熱傳遞是指在不同溫度物體之間的能量流動。本資源透過實驗短片，探索探討三種主要的熱傳遞方式：傳導、對流及輻射。

Heat transfer refers to the flow of energy between objects with different temperatures. Through experimental videos, this resource will study the three major mechanisms of heat transfer: …

Radioactive decay is the process in which radioactive source emits radiation to reach a more stable state. Through experimental videos, this resource will explore the radioactive decay of …

放射性衰變是放射性源發出輻射以達到較穩定狀態的過程。本資源透過實驗短片，探索鋇-137 的放射性衰變。

This resource introduces some common non-infectious diseases and their links with unhealthy lifestyles. Examples include cancers, heart diseases, stroke and fatty liver. An animation on…

本資源介紹一些常見的非傳染病及其與不健康生活模式的關係，例子包括癌症、心臟病、中風和脂肪肝，並以動畫說明良性腫瘤和惡性腫瘤的形成過程。

提供情境讓學生應用所學，辨別哪塊冰熔得較快。

1. 認識能量平衡的概念 2.認識全球氣候變暖的證據 3.認識人類活動如何導致全球氣候變暖

1. 認識全球氣溫分布形態 2. 認識影響全球氣溫分布形態的因素

This resource introduces the concept of energy balance, the evidences of global warming and how human activities have led to global warming.

藉着翔仔和小強在陳老師家中遇到的連串怪事和所進行的實驗，說明熱傳遞的三種過程──傳導、對流和輻射，以及這三種熱傳遞方式在日常生活中的應用。

This video resource illustrates the three processes of heat transfer, namely, conduction, convection and radiation, and their applications in daily life, through a series of mysterious happenings…