All Bottled up: The Perfect Ecosystem

k)research methods are used to investigate practical problems and questions; ... A variety of cups and lids (e.g., coffee mug, cardboard cup, plastic insulated coffee cup, Styrofoam cup, glass, thin plastic cup, aluminum mug) ... Ask students which of the cups would be best to hold the hot water and why. Once they have a chance to brainstorm ... ................
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