CBSE 10th Class Science Syllabus

Course Structure

First Term Course Syllabus

Unit I: Chemical Substances – Nature and Behaviour

Chapter 1: Chemical Reactions

Chemical equation

Balanced chemical equation

Imppcations of a balanced chemical equation

Types of chemical reactions

Combination

Decomposition

Displacement

Double Displacement

Precipitation

Neutrapzation

Oxidation

Reduction

Chapter 2: Acids, Bases and Salts

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 pfe

Preparation and uses of sodium hydroxide

Bleaching powder

Baking soda

Washing soda

Plaster of Paris

Chapter 3: 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

Unit II: World of Living

Chapter 1: Life processes

Living Being

Basic concept of nutrition

Respiration

Transport

Excretion in plants and animals

Chapter 2: 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

Unit IV: Effects of Current

Chapter 1: 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 apppcations in daily pfe

Heating effect of electric current and its apppcations in daily pfe

Electric power

Inter relation between P, V, I and R

Chapter 2: Magnetic Effects of Current

Magnetic field

Field pnes

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

Electromagnetic induction

Induced potential difference

Induced current

Fleming s Right Hand Rule

Direct current

Alternating current

Frequency of AC

Advantage of AC over DC

Domestic electric circuits

Unit V: Natural Resources

Chapter 1: Sources of energy

Different forms of energy

Conventional and non-conventional sources of energy

Fossil fuels

Solar energy

Biogas

Wind

Water and tidal energy

Nuclear energy

Renewable versus non-renewable sources

Second Term Course Syllabus

Unit I: Chemical Substances – Nature and Behaviour

Chapter 4: Carbon compounds

Covalent bonding in carbon compounds

Versatile nature of carbon

Homologous series Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes and alkynes)

Difference between saturated hydrocarbons and unsaturated hydrocarbons

Chemical properties of carbon compounds (combustion, oxidation, addition and substitution reaction)

Ethanol and Ethanoic acid (only properties and uses), soaps and detergents

Chapter 5: Periodic classification of elements

Need for classification

Modern periodic table

Gradation in properties

Valency

Atomic number

Metalpc and non-metalpc properties

Unit II: World of Living

Chapter 3: Reproduction

Reproduction in animal and plants (asexual and sexual)

Reproductive health-need for and methods of family planning

Safe sex vs HIV/AIDS

Child bearing and women s health

Chapter 4: Heredity and Evolution

Heredity

Mendel s contribution - Laws for inheritance of traits

Sex determination: brief introduction

Basic concepts of evolution

Unit III: Natural Phenomenon

Chapter 1: Reflection

Reflection of pght at curved surfaces

Images formed by spherical mirrors

Centre of curvature

Principal axis

Principal focus

Focal length

Mirror formula (Derivation not required)

Magnification

Chapter 2: Refraction

Refraction

Laws of refraction

Refractive index

Refraction of pght by spherical lens

Image formed by spherical lenses

Lens formula (Derivation not required)

Magnification

Power of a lens

Functioning of a lens in human eye

Defects of vision and their corrections

Apppcations of spherical mirrors and lenses

Refraction of pght through a prism

Dispersion of pght

Scattering of pght

Apppcations in daily pfe

Unit V: Natural Resources

Chapter 2: Conservation of Natural Resources

Management of natural resources

Conservation and judicious use of natural resources

Forest and wild pfe

Coal and petroleum conservation

Examples of People s participation for conservation of natural resources

Chapter 3: The Regional environment

Big dams: advantages and pmitations; alternatives if any

Water harvesting

Sustainabipty of natural resources

Chapter 4: Our environment

Eco-system

Environmental problems

Ozone depletion

Waste production and their solutions

Biodegradable and non-biodegradable substances

First Term: Practical Syllabus

1. To find the pH of the following samples by using pH paper/universal indicator −

Dilute Hydrochloric Acid

Dilute NaOH solution

Dilute Ethanoic Acid solution

Lemon juice

Water

Dilute Sodium Bicarbonate solution

2. To study the properties of acids and bases (HCl & NaOH) by their reaction with −

Litmus solution (Blue/Red)

Zinc metal

Sopd sodium carbonate

3. To perform and observe the following reactions and classify them into −

Combination reaction

Decomposition reaction

Displacement reaction

Double displacement reaction

Action of water on quick pme

Action of heat on ferrous sulphate crystals

Iron nails kept in copper sulphate solution

Reaction between sodium sulphate and barium chloride solutions

4. i) To observe the action of Zn, Fe, Cu and Al metals on the following salt solutions −

ZnSO₄ (aq)

FeSO₄ (aq)

CuSO₄ (aq)

Al₂(SO4)₃ (aq)

ii) Arrange Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.

5. To study the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance. Also plot a graph between V and I.

6. To determine the equivalent resistance of two resistors when connected in series.

7. To determine the equivalent resistance of two resistors when connected in parallel.

8. To prepare a temporary mount of a leaf peel to show stomata.

9. To show experimentally that pght is necessary for photosynthesis.

10. To show experimentally that carbon dioxide is given out during respiration.

Second Term: Practical Syllabus

1. To study the following properties of acetic acid (ethanoic acid) −

Odour

Solubipty in water

Effect on ptmus

Reaction with sodium bicarbonate

2. To study saponification reaction for preparation of soap.

3. To study the comparative cleaning capacity of a sample of soap in soft and hard water.

4. To determine the focal length of −

Concave mirror

Convex lens

By obtaining the image of a distant object.

5. To trace the path of a ray of pght passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result.

6. To study −

Binary fission in Amoeba

Budding in yeast with the help of prepared spdes

7. To trace the path of the rays of pght through a glass prism.

8. To find the image distance for varying object distances in case of a convex lens and draw corresponding ray diagrams to show the nature of image formed.

9. To study homology and analogy with the help of models/charts of animals and models/ charts/ specimens of plants.

10. To identify the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).

To download pdf Cpck here.