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Component 4A What's in the bucket? A group of high school students were playing on the beach and they found a small bucket with some interesting materials. The students found that the bucket contained a lot of sand but also some small nails, some large broken shells, and some white crystals. The students wanted to find out what the white crystal are. Their problem was to separate the mixture of materials in the bucket down to the white crystals. They started by picking out the large shells by hand. The students drew the following flowchart to help them work out what to do next. Flowchart - separation of a mixture Mixture of sand, small nails and white crystals. Mixture of sand STEP 1 and white crystals Small nails Sand STEP 2 White crystals dissolved in water Component 4B Q1. What piece of equipment would the students need to do STEP 1? STEP 3
Sagot :
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