科学 · 能量 · 9
您的孩子在 9 岁左右正在学习科学中的能量内容，并逐步掌握相关知识与技能。
Your child is exploring how energy works — understanding how it moves between objects, changes from one form to another, and can be transferred through sound, light, heat, and electricity.
您的孩子在 9 岁左右正在学习科学中的能量内容，并逐步掌握相关知识与技能。
Your child is exploring how energy works — understanding how it moves between objects, changes from one form to another, and can be transferred through sound, light, heat, and electricity.