CBSE Class 10 Science Term 2 – Study Notes Chapter Wise-Term2

In the educational year 2021-22 the Central Board of secondary education (CBSE) is conducting board exams in two terms. The term 1 exam has already finished, which was based on MCQ pattern. And the term 2 exam is going to begun somewhere between March-April. CBSE will release its date sheet of Term 2 exam shotly. The Term 2 board exam is based on subjective pattern. To grasp this exam, you need to very habituated with this new pattern. You need to practice good quality of questions in proper quantity so that you can achieve mastery. 

Syllabus

CBSE Term II  Class XII

No.UnitsMarks(Total :40)
I.Chemical Substances-Nature and Behaviour: Chapter 4 and 510
II.World of Living: Chapter 8 and 913
IV.Effects of Current: Chapter 12 and 1312
V.Natural Resources: Chapter 1505
THEME MATERIALS

UNIT – I Chemical Substances – Nature and Behaviour 

Chapter 4 : Carbon and its Compounds

Carbon compounds: Covalent bonding in carbon compounds. Versatile nature of carbon. Homologous series.

Chapter5 : Periodic Classification of Elements

Periodic Classification of Elements: Need for classification, early attempts at classification of elements Dobereiner s Triads, Newland s Law of Octaves, Mendeleev s Periodic Table , Modern periodic table, gradation in properties, valency, atomic number, metallic and non-metallic properties

THEME THE WORLD OF THE LIVING

UNIT – II World of Living

Chapter 8 : How do Organisms Reproduce

Reproduction: Reproduction in animals and plants asexual and sexual reproductive health-need and methods of family planning. Safe sex vs HIV AIDS. Child bearing and women s health.

Chapter 9 : Heredity and Evolution

Heredity: Heredity; Mendel s contribution- Laws for inheritance of traits: Sex determination: brief introduction

THEME NATURAL PHENOMENA

UNIT – IV Effects of Current

Chapter 12: Electricity

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, Interrelation between P, V, I and R.

Chapter 13: Magnetic Effects of Current

Magnetic Effects of Current: Magnetic field, field lines, field due to a current carrying conductor, field due to current carrying coil or solenoid; Force on current carrying conductor, Fleming s Left Hand Rule, Electric Motor, Electromagnetic induction. Induced potential difference, Induced current. Fleming s Right Hand Rule.

THEME NATURAL RESOURCES

UNIT – IV Natural Resources

Chapter Our Environment

Our Environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances