1) Wood ... a) float on the water b) sink in the water 2) Rubber... a) float on the water b) sink in the water 3) Plastic... a) float on the water b) sink in the water 4) Gold... a) float on the water b) sink in the water 5) Clay... a) float on the water b) sink in the water 6) Sand... a) float on the water b) sink in the water 7) Cotton... a) float on the water b) sink in the water

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