Make it really clear, which skills you have used and include appropriate evidence of the skills. In order to demonstrate excellent technical skills you need to document the making process so that your assessor can see what you did to make your model. This can either be photographic evidence of the process, step by step. Or if you created something on the computer you can include screen shots of your model as it takes shape.
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When determining the complexity of skill demonstrated by a student, a number of indicators can be considered.
When determining the level of guidance and support needed, teachers should consider that students:
Keep a journal with the following information:
Assessment
7 - 8 demonstrates excellent technical skills when making the solution
5 - 6 demonstrates competent technical skills when making the solution
3 - 4 demonstrates satisfactory technical skills when making the solution
1 - 2 demonstrates minimal technical skills when making the solution