|First Term Units||Marks|
|I.||Chemical Substances – Nature & Behaviour||33|
|II.||World of Living||21|
|III.||Effects of Current||29|
|Second Term Units||Marks|
|I.||Chemical Substances – Nature & Behaviour||23|
|II.||World of Living||30|
First Term SA-I
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.
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.
Second Term SA-II
Refraction of light 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, applications of spherical mirrors and lenses.
Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life.
The Regional environment: Big dams : advantages and limitations; alternatives if any. Water harvesting. Sustainability of natural resources.
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.
First Term Practicals
- 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
- Dilute Sodium Bicarbonate solution
- To study the properties of acids and bases (HCl & NaOH) by their reaction with:
- Litmus solution (Blue/Red)
- Zinc metal
- Solid sodium carbonate
- To perform and observe the following reactions and classify them into:
- Combination reaction
- Decomposition reaction
- Displacement reaction
- Double displacement reaction
1) Action of water on quick lime
2) Action of heat on ferrous sulphate crystals
3) Iron nails kept in copper sulphate solution
4) Reaction between sodium sulphate and barium chloride solutions
- To observe the action of Zn, Fe, Cu and Al metals on the following salt solutions:
Arrange Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.
- 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.
- 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 light is necessary for photosynthesis.
10 To show experimentally that carbon dioxide is given out during respiration.
Second Term Practicals
- To study the following properties of acetic acid (ethanoic acid):
- i) Odour
- ii) Solubility in water
iii) Effect on litmus
- iv) Reaction with sodium bicarbonate
- To study saponification reaction for preparation of soap.
- To study the comparative cleaning capacity of a sample of soap in soft and hard water.
- To determine the focal length of:
- Concave mirror,
- Convex lens,
By obtaining the image of a distant object.
- To trace the path of a ray of light 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.
- To study (a) binary fission in Amoeba, and (b) budding in yeast with the help of prepared slides.
- To trace the path of the rays of light through a glass prism.
- 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.
- To study homology and analogy with the help of models/charts of animals and models/ charts/ specimens of plants.
- To identify the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).
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