The CBSE Class X Science exam is on March 25. For most Class X students, this would be their last exam. After Mathematics, Science is considered the toughest. However, you can score very well in this exam, if you are well prepared.
TCYonline experts have selected some important topics for the readers of Rediff.com to be revised from the chapters given in the NCERT textbook, for preparation.
Day 1 and 2
Carbon and its compounds
~ Types of bonding in carbon
~ Saturated and Unsaturated Hydrocarbons
~ Properties of Alcohols
~ Properties of carboxylic Acids
~ Questions based on identifying compounds based on given properties
Metals and Non-metals
~ Differentiating metals and non-metals
~ Basic Metallurgic Processes
~ Metals showing anomalous behavior (eg the metal which is a liquid at room temperature)
~ Properties and Uses of metals along with reactions
~ Bonding in metals and non-metals
Light-1
~ Images and their nature
~ Image formation in concave mirror
~ Understanding of focus, focal length, aperture etc.
~ Laws of refraction
~ Refractive index comparisons between media
~ Image formation in convex lens
Periodic classification of elements
~ Predicting position in periodic table based on properties
~ Predicting properties based on position in periodic table
~ Limitations of Mendeleev's table
~ How modern periodic table is improved upon Mendeleev's periodic table?
~ Breakthroughs achieved by Mendeleev's table
Day 3
Light-2
~ Accommodation in eye with the help of eye lens
~ Problems in vision
Myopia
Hypermetropia
Prestyopia
~ Applications of
~ Causes of refraction and related effects
~ Numerical problems related to velocity of light and relative and absolute indices
~ Why do stars twinkle and why do they appear risen up?
~ What is the cause of dispersion and related atmospheric phenomenon?
~ What is scattering and related atmospheric phenomenon?
Our environment
~ Major environment problems along with their solutions
~ Ozone depletion
~ Bio-degradability of wastes and other pollutants.
Life Processes - 1
Basic concepts related to
Control and Coordination
Day 4
Conservation and management of natural resources
Life Processes - 2
Heredity and Evolution
Natural Resources
Sources of Energy
Good luck!
The writer is an examination expert with Top Careers & You (www.TCYonline.com). Visit www.steps.TCYonline.com for thousands of free tests on Class X Boards and NTSE.