明日考IS啦

等我泥打野啦

First ,,,明日記住帶

1)colour pencil [[brown ,yellow ,green ,blue]]

2)計數機

3)鉛筆   {[all畫圖刀用鉛筆!!好似有1分的]}

============溫書==================

ch 8 先啦

工具表大全

名	功能 [唔知考唔考]}
switch	open and close circuit
battery	supplies energy to the electrons for them to flow around the circuit
light bulb	--lighting --making signals --decorations
ammeter	electric meter for measuring the current
voltmeter	measuring the voltage across an electrical component
rheostat	--with variable resistance --to control current --E.G. dimmer switch volume controller
resistor	--has fixed resistance --to change the current
fuse	-is a safety device

** 要記symbols呀 ...但系我打唔到出泥=口=sor呢...

- - - - - - - - - - - - - - - -  - - - - - - - - -  - - -  - - - -  --  --- - -  - - -- -- - - - ---- -  - -- - -

current    --flow of electron =electric current

               --Unit :::ampere {A}

                 --use ameter to measure

voltage --electrical energy given to the electrons

             --Unit :::volt {V}

                 --use volmeter to measure

Resistance --opposition of a conductor to current

                     --unit :::ohm