COURSE STRUCTURE CLASS IX
(Annual Examination)
Marks: 80
|
Unit No. |
Unit |
Marks |
|
I |
Matter - Its Nature
and Behaviour |
25 |
|
II |
Organization in the
Living World |
22 |
|
III |
Motion, Force and Work |
27 |
|
IV |
Food; Food
Production |
06 |
|
|
Total |
80 |
|
|
Internal assessment |
20 |
|
|
Grand Total |
100 |
Theme: Materials
Unit I: Matter-Nature and Behaviour
Definition of matter; solid, liquid and gas;
characteristics - shape, volume, density; change of state- melting
(absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.
Nature
of matter: Elements,
compounds and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions. Physical and
chemical changes (excluding separating the components of a mixture).
Particle nature and
their basic units: Atoms and molecules, Law of Chemical Combination, Chemical formula
of common compounds, Atomic and molecular masses.
Structure of atoms: Electrons, protons and neutrons, Valency, Atomic Number and Mass Number, Isotopes and Isobars.
Theme: The World of the Living
Unit II: Organization in the
Living World
Cell - Basic Unit of life : Cell as a basic unit of life; prokaryotic and eukaryotic cells, multicellular organisms; cell membrane and cell wall, cell organelles and cell inclusions; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus, chromosomes - basic structure, number.
Tissues, Organs, Organ System, Organism:
Structure and functions of animal and plant tissues (only four types of tissues in animals; Meristematic and Permanent tissues in plants).
Theme: Moving Things, People and Ideas Unit III: Motion, Force and Work
Motion:
Distance and displacement,
velocity; uniform and non-uniform motion along a straight line; acceleration, distance-time and
velocity-time graphs for uniform motion and uniformly accelerated motion,
elementary idea of uniform
circular motion.
Force and Newton’s laws : Force and Motion, Newton’s Laws of Motion,
Action and Reaction forces, Inertia of a body, Inertia and mass, Momentum, Force and Acceleration.
Gravitation:
Gravitation; Universal Law of
Gravitation, Force of Gravitation of the earth (gravity), Acceleration due to Gravity;
Mass and Weight; Free fall.
Floatation: Thrust and Pressure.
Archimedes’ Principle; Buoyancy.
Work,
Energy and Power: Work done
by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy (excluding commercial unit of Energy).
Sound:
Nature of sound and its
propagation in various media, speed of sound, range of hearing in humans;
ultrasound; reflection of sound; echo.
Unit IV: Food Production
Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.
Note for the Teachers:
1. The chapter Natural Resources (NCERT
Chapter 14) will not be assessed in the year-end examination. However, learners may be assigned to read this
chapter and encouraged to prepare a
brief write up on any concept of this chapter in their Portfolio. This may be
for Internal Assessment and credit
may be given for Periodic Assessment/Portfolio.
2. The NCERT text books present information in boxes across the book. These help students to get conceptual clarity. However, the information in these boxes would not be assessed in the year-end examination.
PRACTICALS
Practicals should be conducted alongside the concepts taught in theory classes
(LIST OF EXPERIMENTS)
1. Preparation of: Unit-I
a) a) true solution of common salt, sugar and alum
b) a suspension of soil, chalk powder and fine sand in water
c) a colloidal solution of starch in water and egg albumin/milk in water and distinguish between these on the basis of
· transparency
· filtration criterion
· stability
2. Preparation of Unit-I
A mixture b) A compound using iron filings and sulphur powder and distinguishing between these on the basis of:
(i) appearance, i.e., homogeneity and heterogeneity
(ii) behaviour towards a magnet
(iii) behaviour towards carbon disulphide as a solvent
(iv) effect of heat
3. Perform the following reactions and classify them as physical or chemical changes: Unit-I
a) Iron with copper sulphate solution in water
b) Burning of magnesium ribbon in air
c) Zinc with dilute sulphuric acid
d) Heating of copper sulphate crystals
e) Sodium sulphate with barium chloride in the form of their solutions in water
4. Preparation of stained temporary mounts of (a) onion peel, (b) human cheek cells & to record observations and draw their labeled diagrams. Unit-II
5. Identification of Parenchyma, Collenchyma and Sclerenchyma tissues in plants, striped, smooth and cardiac muscle fibers and nerve cells in animals, from prepared slides. Draw their labeled diagrams. Unit-II
6. Determination of the melting point of ice and the boiling point of water. Unit-I
7. Verification of the Laws of reflection of sound. Unit-III
9. Establishing the relation between the loss in weight of a solid when fully immersed in Unit-III
a) Tap water
b) Strongly salty water with the weight of water displaced by it by taking at least two different solids.
10. Determination of the speed of a pulse propagated through a stretched string/slinky (helical spring). Unit-III
11.
Verification
of the law of conservation of mass in a
chemical reaction. Unit-III
