1. The P Word
P is about proving. Check that the link is made to the Excel spreadsheet “musical-tubes.xls” if it is intended to be use during slide 5.

2. The $1,000,000 Challenge
James Randi has for ten years offered a $1,000,000 prize to anyone who can show evidence of supernatural power.
for detail. As a possible entry task.

3. Giggle Stick Think: I O R
The giggle stick provides an hook about pitch and length of the pipe making the noise.
There is a replacement option called with singing tubes – see the lesson 4 files.

4. Musical Tubes What are the Input variables?
What is the Output variable?
Is there a relationship?
Can you Prove it?
What kind of test do we need to do to prove something?
Three previous lessons on variables, values and relationships - this is a more complex range and therefore allowing answers at several levels.
Bullet 1- demo.
Bullet 2 – students in pairs.

5. Proving Relationships

6. Variables Input Output Fair Control
The P word
Variables
Input
Output
Fair
Control
Three previous lessons on variables, values and relationships - this is a more complex range and therefore allowing answers at several levels.
Bullet 1- demo.
Bullet 2 – students in pairs.
Think up some sentences to describe your thinking today.

7. The $1,000,000 Challenge How could we make the a fait test?
for detail.

8. End