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D&T - Making Burglar Alarms

As part of our Design & Technology and Science topics, the children have been designing and making burglar alarms.  This also links to our English topic book 'Stormbreaker' by Anthony Horrowitz which we are working on. 

The children were given the challenge, working in pairs, to make a working burglar alarm using their knowledge of how electrical circuits work, selecting appropriate materials to use as insulators and conductors and creating a switch to activate their alarms.

It was great fun making the alarms and testing them to ensure they would work, our next task is to evaluate our designs.

 

 

 

 

 

 

 

 

We even created a burglar alarm to use on our classroom door..........which we tested on Mrs Bailey and it worked!