Using+electricity

Describe what happens to wires when electricity flows through them. Explain why fuses are used. Explain what fuses are. Describe how to choose the correct fuse for an appliance.
 * Objectives (what you will learn this lesson)**

Review homework / key term quiz
 * Starter**

> a. Draw a diagram to show what you did > b. Record your results in a table > c. Write a conclusion to describe what you found out > d. Think back to the role play from last lesson. Now look at a bulb and what is inside it. Add to your conclusion try to explain what is happening in the different thicknesses of wire. > //This animation might help you with your investigation:// > > media type="file" key="ES7_Jb139_01ani.swf" width="640" height="480" > > media type="file" key="ES7_Jb139_02vvv.flv" width="360" height="270" >
 * Activities**
 * 1) Investigate [|Current in wires]
 * 2) Change your investigation to look at how the thickness of wires affects resistance.
 * 1) Look at the video on how fuses work
 * 1) Complete the worksheet [|using electricity]
 * 2) Answer Q1-6 from p138-9 of Exploring Science
 * 3) Extension: read about how car indicators work in [|Flashing lights] now answer the questions

Review completed classwork / key term quiz
 * Summary**


 * Homework (complete the one your teacher chooses)**
 * Complete the analysis and graphing activities in [|Investigating resistance]
 * Copy and complete the gapfill in [|Using electricity]

media type="file" key="ES7_Jb139_04vco.flv" width="360" height="270"
 * Find out how to wire plugs (this is specific to the UK)**

media type="file" key="ES7_Jb139_03ani.swf" width="640" height="480"