Conduction is the way something passes along through a material. In school it almost always means heat moving through metal, or electricity moving through a wire.

Conduction conduction is the way something passes along through a material是某個東西穿過材料傳過去的方式。 In school在學校課本裡 it almost always means heat moving through metal幾乎都是指熱穿過金屬， or electricity moving through a wire或電流穿過電線。

You heat one end of a pan; later the handle gets hot too — that is heat conduction. You plug in a lamp; the current runs through the copper — that is electrical conduction.

You heat one end of a pan你把鍋子的一端加熱； later the handle gets hot too後來把手也變燙了 — that is heat conduction這就是熱傳導。 You plug in a lamp你把檯燈插上電； the current runs through the copper電流穿過銅線 — that is electrical conduction這就是電傳導。

The dictionary also allows water moving through pipes, because the old Latin idea was “leading something along.” Though actually, scientists today usually keep conduction for heat and electricity, and talk about water flowing in pipes.

The dictionary also allows water moving through pipes字典裡也把水穿過水管算進去， because the old Latin idea was “leading something along.”因為古拉丁文的原意是『把東西引導著走』。 Though actually不過， scientists today usually keep conduction for heat and electricity現在科學家通常把conduction留給熱和電， and talk about water flowing in pipes水管裡的水則說flowing（流動）。

Two sister ideas in the same science chapter are convection (heat moving because the air or water itself moves) and radiation (heat travelling as rays, like from the sun). Conduction is the still-material one.

Two sister ideas in the same science chapter同一章理化裡兩個相近的概念 are convection是convection（對流） (heat moving because the air or water itself moves)（熱是因為空氣或水本身在流動而傳開） and radiation和radiation（輻射） (heat travelling as rays, like from the sun)（熱像光線一樣傳出去，像太陽那樣）。 Conduction is the still-material one conduction則是材料本身不動的那一種。