Science
Scientific Inquiry
Procedural
7–9 yrs
Fair testing
公平测试
Description
Set up simple practical enquiries, comparative tests, and fair tests, understanding the importance of changing only one variable at a time
Mastery Evidence
- Explain what makes a test 'fair' (only one variable changes, everything else stays the same)
- Identify the variable to change, the variable to measure, and the variables to keep the same
- Set up and carry out a comparative or fair test with support
Assessment Prompt
If your child wants to find out which soil is best for growing beans, can they set up a fair test where only the soil changes and everything else stays the same?
Prerequisites 1
Simple tests and experiments
在设置有控制变量的正式公平实验之前,必须先进行简单测试