Technology
: He Pürere Wheowheo — Buzzer
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Approach: One to one
Focus: Using an electrical circuit for a particular purpose.
612k
Resources: Floor plan of house, red pencil, battery, 4 wires with crocodile clips, switch, buzzer.
Questions / instructions:
Imagine that someone in your family is sick in bed. They feel too sick to call out when they want something. You decide to make it possible for them to call you when they want something by using an electrical buzzer.

Here is some equipment for making a buzzer that works.

Pöhewatia, kei te moenga tëtahi o töu whänau e mäuiui ana. Nä te kaha o te mäuiui, käore e taea e ia te karanga atu, he aha töna pïrangi. Ka whakaaro koe, ka hangaia e koe tëtahi pürere wheowheo kia taea e ia te whakatangi atu ki a koe.
Anei ëtahi taputapu hei hanga pürere wheowheo.

Show equipment and name each component as you lay it out on the table.
     
% responses
GEd
MI
1. Before you have a go with this equipment, try to describe to me how you would connect the equipment together to make the buzzer go.
I mua i tö whakamätau, whakamäramahia mai me pëwhea te honoi ngä taputapu kia tangi mai te pürere wheowheo.
 Student explains.		    
2. Now you can have a go at making the buzzer go. You will need to use all of the pieces of wire. If you get stuck I can help you.
Me mahi koe inäianei. Ki te raru koe, kei konei ahau hei äwhina.
  made buzzer sound 90 76
Allow time.      
Help needed: none 26 8
  some clues 36 35
detailed verbal instructions 5 16
hands–on help 33 41
 

Show student house plan.

Here is a plan of the house where the family lives. This is the sick person’s bedroom [room with person in bed], and here is the living room where most of the family will be.

Anei he hoahoa whare o te whänau. Anei te rüma moe o te tangata e mäuiui ana (he tangata i te moenga i tëtahi rüma). Anei te rüma noho, kei konei te nuinga o te whänau.

    
3.

Think about how you would set up the buzzer so that it would help the sick person in this house. Draw your ideas on this house plan, and show the main parts of the system you would make. As you are drawing, tell me what you are doing and why.

Me whakaaro koe me pëwhea te whakatü o te pürere wheowheo kia äwhinatia ai te tangata mäuiui i tënei whare. Tängia öu whakaaro ki runga i tënei hoahoa whare. Whakaatu mai i ngä wähanga motuhake o töu pürere wheowheo. I a koe e tä ana, whakamäramahia mai kei te aha koe, ä, nä te aha i tä përä ai koe.
Give plan and red pencil to student.
Prompt for explanation if necessary.
Features of plan: switch in bedroom 88 82
switch accessible to person in bed
86 80
buzzer in place to be heard 82 88
battery or identifiable power source in circuit 47 35
wire(s) running from switch/battery to buzzer 79 82
two wires shown (to complete circuit) 22 12
Total score: 9 – 10 18 4
7 – 8
41 22
5 – 6
17 53
3 – 4
22 15
0 – 2 2 6
Commentary:
Mäori students in general education (GEd) settings scored statistically significantly higher than did Mäori students in Mäori immersion (MI) settings.
 
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