公平测试（8岁以上）
Fair testing (age 8+)
计划和开展公平测试，在测试中控制变量并考虑失败点，以找出模型或原型中需要改进的地方。
Plan and carry out fair tests in which variables are controlled and failure points are considered to identify aspects of a model or prototype that can be improved
学习证据 / Evidence
- 规划一个原型的公平测试，明确需要控制的变量
- 执行测试并找出设计中的失败点或薄弱环节
- 根据测试结果提出具体改进方案并重新测试
- Plan a fair test of a prototype with clearly identified variables to control
- Carry out the test and identify failure points or weaknesses in the design
- Propose specific improvements based on test results and retest
评估问题 / Assessment
当{{name}}搭建并测试一个原型时，他们能进行公平测试、找出不成功的地方，并想出如何改进吗？
When {{name}} builds and tests a prototype, can they run a fair test, find what didn't work, and figure out how to make it better?