1. a. Name the method used to speed up sedimentation.
b. Which method will you use to separate the mixture of salt and water?
2. List two adaptations in birds that help them to fly.
3. Name two natural and two human made sources of light.
4. How are natural springs of water formed?
5. What will happen to the poles of a magnet if it is broken into two? Explain.
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1)loading 2)Distillation 3)Natural Sources- Sun and stars 4)The percolated water gets collected beneath the earth on the non-porous rocks. This collected water forms the water-table. The ground water comes out of the surface at some places to form natural springs. 5) When a magnet is broken into two, the resultant is two separate magnets. Each resultant magnet will end up with its own north and south pole. This shows that poles exist in pairs and there can never be an isolated north or an isolated south pole.
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