控制变量

规划不同类型的科学探究来回答问题，在必要时识别并控制变量。

Plan different types of scientific enquiries to answer questions, recognising and controlling variables where necessary

学习证据 / Evidence

• 独立规划一项探究活动，明确自变量、因变量和控制变量。
• 根据问题选择合适的探究方式（公平测试、持续观察、寻找规律、查阅资料）。
• 解释为什么控制变量对于获得有效结果至关重要。

• Independently plan an investigation identifying the independent, dependent, and controlled variables
• Choose the appropriate type of enquiry for the question (fair test, observation over time, pattern seeking, research)
• Explain why controlling variables is essential for valid results

评估问题 / Assessment

{{name}}能否从零开始规划自己的实验——决定要探究什么、测量什么、哪些条件保持不变，以及实验重复多少次？

Can {{name}} plan their own experiment from scratch — deciding what to test, what to measure, what to keep the same, and how many times to repeat it?