6Px 25 Hongongoi 20146Px 25 Hongongoi 2014What we will do What we will learnPreliminaries and roll The importance of starting

well

Set Unit 9 for HW and set a due date

How to stay on track for November

Use the semi-circular blocks to confirm Snell’s law

How light behaves when it “impinges” at an angle AND square on

Use the semi-circular blocks backwards to investigate T.I.R.

What T.I.R. is, what causes it, what the critical angle is and how to find that.

Set unit 10 for HW, set a due date and, if time, have some HRT

How to make good use of time.

HW item Skills practiced Waves: unit 6Due Monday the 23rd of June

Reflection of light from plane mirrors

Waves: unit 7Due Tuesday the 22nd of July

Reflection of light from curved mirrors.Ray diagrams only

Waves: unit 8Due Thurs 31st of July 2014

Des Cartes’s formula for curved mirrors

Practice Assessment - WavesDue Pd 5 Fri 8th of August 2014

All of light and waves

Waves: unit 9Due Tuesday 5th of August

Snell’s Law

Waves: unit 10Due Zenday 37th of Octember

T.I.R. and the critical angle

6 Physics Homework MarkingNo. of marks

What for

1 Having sketches and FULL working

1 Neat presentation and down-page format

1 Answer underlined and units given

1 Self marked and all correct – eventually

1 In on time and signed for (“This is my own work”…….)

Total A mark out of five that will contribute to the “homework” grade in the reports