1. Which method is suitable for separating rice and a few large stones?, Filtration, Handpicking, Evaporation, 2. Which tool helps separate sand and larger pebbles?, A sieve, A filter paper, A magnet, 3. How can insoluble sand be separated from water?, Handpicking, Filtration, Winnowing, 4. Why does handpicking not work well for separating sand from water?, Sand is too colorful, Sand particles are mixed throughout the water, Water is magnetic, 5. Which property helps a sieve separate sand from pebbles?, Difference in particle size, Difference in smell, Difference in temperature, 6. An AI assistant says to use handpicking for sand and water. What should a scientist do?, Accept every Ai answer, Check the suggestion using scientific reason, Stop the experiment

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