Page 5 - Understanding NCERT Science 09

space to opportunities for contemplation and wondering, discussion in small

groups, and activities requiring hands-on experience.
The National Council of Educational Research and Training (NCERT)
appreciates the hard work done by the textbook development team responsible
for this book. We wish to thank the Chairman of the advisory group in science

and mathematics, Professor J.V. Narlikar and the Chief Advisor for this book,
Professor Rupamanjari Ghosh, School of Physical Sciences, Jawaharlal Nehru
University, New Delhi, for guiding the work of this committee. Several teachers

contributed to the development of this textbook; we are grateful to them and
their principals for making this possible. We are indebted to the institutions
and organisations which have generously permitted us to draw upon their

resources, material and personnel. We are especially grateful to the members
of the National Monitoring Committee, appointed by the Department of Secondary
and Higher Education, Ministry of Human Resource Development under the

Chairmanship of Professor Mrinal Miri and Professor G.P. Deshpande, for their
valuable time and contribution. As an organisation committed to systemic
reform and continuous improvement in the quality of its products, NCERT
welcomes comments and suggestions which will enable us to undertake further

revision and refinement.

Director

New Delhi National Council of Educational
20 December 2005 Research and Training

(iv)

Rationalised 2023-24