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Electromagnet Writing a hypothesis To get level 6 Abstract ideas. You need to give a good explanation based on the domain theory of magnetism about why the magnet gets stronger as you increase the current or power pack voltage or the number of turns. Diagrams are essential. To get level 7 Linked ideas from a variety of sources. You need to also explain what is happening inside the wires where the current is flowing and why this produces a magnetic field. You also need to say where your ideas/ information came from (linked to your research) To get level 8 Quantitative prediction. This means a number pattern or predicting the shape of a graph. Do not start to think about this until I have read your hypothesis and agreed that it meets level 7.