COURSE STRUCTURE
CLASS X
First Term: Marks: 90
Units Marks
I. Chemical Substances: 33
II. World of living : 21
III. Effects of Current : 29
IV Natural Resources : 07
Total :90
Theme: Materials (30 Periods)
Unit: Chemical Substances - Nature and Behavior
Chemical reactions: Chemical Equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: Combinations, decomposition, displacement, double displacement, precipitation, neutralization, oxidation and reduction.
Acids, bases and salts : Their definitions in terms of furnishing of H+ and OH- ions, General properties, examples and uses, concept of pH scale(Definition relating to logarithm not required), importance of pH in everyday life; preparation and uses of sodium hydroxide, Bleaching powder, Baking soda, washing soda and Plaster of Paris.
Metals and non metals: Properties of metals and non-metals, reactivity series, formation and properties of ionic compounds, basic metallurgical processes, corrosion and its prevention
Theme : The world of The Living (20 Periods)
Unit : World of Living
Life Processes : "living being". Basic concept of nutrition, respiration, transport and excretion in plants and animals.
Control and Co-ordination in Animals and Plants : Tropic movements in plants; Introduction to plant hormones; control and co-ordination in animals : nervous system; voluntary, involuntary and reflex action, chemical co-ordination: animal hormones.
Theme : How things work. (32 Periods)
Unit : Effects of Current
Electric current, potential difference and electric current. Ohm's law; Resistance, Resistivity, Factors on which the resistance of a conductor depends. Series combination of resistors, parallel combination of resistors and its applications in daily life. Heating effect of Electric current and its applications in daily life. Electric Power, Inter