In this chapter, you will be introduced to quadratic equations and the methods to find quadratic roots. It teaches you the three methods of finding roots – factorization, completing the square and the quadratic formula and how to calculate the type of roots beforehand using the discriminant of the quadratic equation.
This chapter gives knowledge about what are the maintenance processes of living organisms. It helps understand what in the world is alive and what is not.
Ever wondered why we immediately pull back our hands when we touch something hot or why the leaves of the ‘touch-me-not plant’ fold up and drop when we touch them? You will find the answers to these questions in this chapter.
This chapter introduces you to different fundamentals of physics and physical forces like inertia, velocity, the law of conservation of momentum and magnitude of the force.
This chapter will help you prepare topics like force, displacement, work and their mathematical formulae. It deals with numerous other concepts like kinetic energy, potential energy, electric energy, power etc. and the law of conservation of energy, conditions in which work is done, expressions of power and gravitational potential.
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