First Quiz 0.0 / 5 ? PhysicsForcesEarth in spaceLight and OpticsGCSEAQA Created by: TashanbCreated on: 20-03-14 22:00 What force slows down somebody falling? Air resistance 1 of 6 What force keeps a boat bouyant? Upthrust 2 of 6 How many Planets are there? 8 3 of 6 How many days does it take the moon to orbit the Earth 28 days 4 of 6 What part of the eye controls how much light is let in? The Iris 5 of 6 Who made the law of refraction? Willebrord van Roijen Snell 6 of 6
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