Relays

The main presentation is a PowerPoint with animated sequences showing the workings and purpose of electromagnetic relays.

Support Material
Readme (instructions for whole lesson)
Learning Outcomes (PowerPoint)
Starter Activity (PowerPoint and Worksheet)
Main Activity (PowerPoint with worksheets and answer sheets)
Lesson Notes (hand-out)
Plenary Activity (PowerPoint and worksheet)

It is intended for all science teachers but particularly those who are not physics specialists. It is, primarily, aimed at 14 to 16 year old pupils but can also be used for younger pupils. Normally, the activities would fill a 45 to 60 minute lesson.

If you buy this resource, please print the Readme document as it contains the instructions and details of the files included.

Learning Outcomes
The learning outcomes are based on Bloom’s taxonomy of hierarchical classification: knowledge, comprehension, application, analysis, synthesis and evaluation. The lesson title and learning outcomes are:

How can a low current be used to switch a high current?
Learning Outcomes
Knowledge

• to identify the components in an electromagnetic relay
  Comprehension
• to explain the workings of an electromagnetic relay

Differentiation
The activities have varying degrees of differentiation; please refer to the Readme document.