A teacher encourages the children in her class to explain the physical properties of the objects around them in their own words.
What is the most appropriate objective of the teacher to do such an activity with her students?

The correct option is: It makes the children observe the physical properties of an object informally which deepens their understanding about shapes.

Explanation:
When primary school children are encouraged to describe and explain the physical properties of objects in their own everyday language, it promotes informal observation and critical thinking. Rather than relying solely on formal mathematical definitions or rigid terminology early on, allowing students to express their observations in their own words helps them connect real-world characteristics (such as straight sides, roundness, corners, and flat surfaces) to geometric concepts.

This informal exploration acts as a crucial foundational step in geometry learning, allowing children to construct a deeper, intuitive understanding of shapes and their spatial properties before introducing formal geometric terms.