小学生在周末可以进行以下活动，并用英语进行描述：
做作业
On Saturday morning, I always have English classes at school. I study hard in the classroom.
看电视
In the afternoon, I’m going to watch TV.
玩游戏
On Sunday morning, I often draw pictures.
In the afternoon, I often play computer games.
阅读
On Saturday afternoon, I like to read books.
On Sunday morning, I read lots.
户外活动
I went to the park.
I played soccer with my friends.
亲近大自然
I like to go for walks in the park.
与朋友聚会
I’m going to visit my friends this weekend.
手工制作
I enjoy making things like word cards or simple English books.
学习新知识
I listen to English stories or audio, like "Raz-Kids" or "Oxford Reading Tree".
I learn new words every day.
亲子互动
I practice simple English sentences with my parents.
We read English picture books together and take turns to retell each page.
这些活动不仅能让小学生在周末充实自己，还能提高他们的英语听说读写能力。建议家长可以鼓励孩子积极参与这些活动，并在过程中给予适当的引导和帮助。