Physics P1 4.5 / 5 based on 2 ratings ? PhysicsALL OF PHYSICS TOPIC 1GCSEEdexcel Created by: rayhanb1Created on: 18-05-14 17:05 243651019 Across 1. who discovered ultraviolet radiation (6) 4. who discovered infrared radiation (8) 6. what do boats and submarines use to detect stuff in the water around them (5) 9. stars intially form from clouds of dust and gas called... (7) Down 2. another way of saying 'change direction' but with waves (10) 3. vibrations of this wave are along the same direction as the wave is travelling (12) 4. model that states sun is in the centre of the universe (12) 5. how many complete waves pass a certain point per second (9) 6. a big star explode and becomes a... (9) 10. the height of the wave from the midline to the peak (9)
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