测量物体的轻重（4岁以上）
Measuring mass and weight (age 4+)
直接比较两个物体的轻重，并用“重”“轻”“比……重”“比……轻”等词语描述差别。
Compare two objects directly by mass or weight and describe the difference using language such as heavy, light, heavier than, lighter than
学习证据 / Evidence
- 掂一掂两个物体，说出哪个更重或更轻。
- 用简易天平比较两个物体的重量。
- 将一个物体描述为比另一个物体更重。
- Heft two objects and say which is heavier/lighter
- Use a simple balance to compare the weight of two objects
- Describe one object as 'heavier than' another
评估问题 / Assessment
如果{{name}}一只手拿着一袋苹果，另一只手拿着一根羽毛，能告诉你哪个更重，并用“比……重得多”这类说法来描述两者之间的差别吗？
If {{name}} holds a bag of apples in one hand and a feather in the other, can they tell you which is heavier and use words like "much heavier than" to describe the difference?