Independent: Changing the distance between the wires, Altering the height of the ramp, Using different samples of water, Varying the number of bulbs, Dependent: Measuring the time taken, Counting the number of bubbles, Recording the mass of solid formed, Control: Controlling the volume of water, Keeping the mass of solid the same, Keeping the amount of light constant,

Identifying Variables

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嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?