Dear students
Welcome to Std X. We have great pleasure in offering you this Science and
Technology textbook based on the new syllabus. From the primary level till today, you
have studied science from various textbooks. In this textbook, you will be able to study the
fundamental concepts of science and technology from a different point of view through
the medium of the different branches of Science.
The basic purpose of this textbook Science and Technology Part-2 can be said to
be ‘Understand and explain to others’ the Science and Technology that relates to our
everyday life. While studying the concepts, principles and theories in science, do make
the effort to understand their connection with day to day affairs. While studying from
this textbook, use the sections ‘Can you recall?’ and ‘Can you tell?’ for revision. You
will learn science through the many activities given under the titles such as ‘Observe and
discuss.’ and ‘Try this’ or ‘Let’s try this. Make sure that you perform all these activities.
Activities like ‘Use your brain power!’, ‘Research’, ‘Think about it’ will stimulate your
power of thinking.
Many experiments have been included in the textbook. Carry out these experiments
yourself, following the given procedure and making your own observations. Ask your
teachers, parents or classmates for help whenever you need it, interesting information,
which reveals the science underlying the events we commonly observe and the technology
developed on its basis, has been given in details in this textbook through several activities.
In this world of rapidly developing technology, you have already become familiar with
computers and smartphones. While studying the textbook, make full and proper use of
the devices of information communication technology, which will make you studies
easier. For more effective studies, you can avail additional audio-visual material for
each chapter using the Q.R code through an App. This will definitely help you in your
studies.
While carrying out the given activities and experiments, take all precautions with
regard to handling apparatus, chemicals, etc. and encourage others to take the same
precautions.
It is expected that while carrying out activities or observation involving plants and
animals, you will also make efforts towards conservation of the environment. You must
of course take all the care to avoid causing any harm or injury to them.
Do tell us about the parts that you like, as well as about the difficulties that you face
as you read and study and understand this textbook.
Our west wishes for your academic progress.
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