waves 0.0 / 5 ? ScienceWavesGCSEAQA Created by: matty1323Created on: 24-09-13 20:51 6423175 Across 1. what is 90 degrees in diffraction (6) 4. no particles (6) 5. what do you hear (5) 7. what does the sun give off (5) Down 2. something to project a sound (10) 3. things that crash in to the shore (5) 6. when you look at a computer screen (4, 5)
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