The chapter in Class V NCERT EVS textbook titled 'Sunita in space' describes astronaut 'Sunita Williams' experiences in the spaceship. What could be the reason/reasons for including this?

I. This incident gives a peep into the life of an astronaut.

II. This incident describes physical conditions in a spaceship.

Ill. This incident challenges gender stereotypes.

IV. This incident helps in explaining the concept of gravity.

To draw and understand maps, which of the following abilities is/are required to be developed in primary level students?

I. Understanding of relative positions of places.

II. Understanding of relative distances and directions of places.

Ill. Understanding of symbols and scale.

IV. Drawing precisely according to the scale.

A teacher book up plants as the theme to teach Class IV students. She provides the following learning opportunities:

I. Collection of leaves in groups.

II. Discussion about shapes, sizes and other features of leaves.

Ill. Making a herbarium.

For such activities, what should the teacher not encourage the most?