Variable - Something that can be changed, Value - Options for a variable, Independent variable - What we change / control in an experiment , Dependent variable - What we observe / measure in an experiment , Constant variable - What we keep the same in an experiment, Relationship - The connection between two variables , Fair test - Only change one variable at a time,

排行榜

视觉风格

选项

切换模板

恢复自动保存: