Science CBSE 10th Syllabus Term I

Science Class 10th Syllabus TERM-I Session 2021-2022

SCIENCE (Code No. 086)

SYLLABUS Session 2021-2022

Class 10th


Theme: Materials (Marks = 16)
Unit I: Chemical Substances – Nature and Behaviour

Chapter – 1 Chemical reactions and equations
Chemical reactions: Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, neutralization, oxidation and reduction.
Chapter – 2 Acids, Bases and Salts
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.
Chapter – 3 Metals and non – metals
Metals and nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds.

Theme: The World of the Living (Marks = 10)
Unit II: World of Living

Chapter – 6 Life processes
Life processes: ‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals.

Theme: How Things Work (Marks = 14)
Unit III: Natural Phenomena

Chapter – 10 Light – Reflection and Refraction
Reflection of light by curved surfaces; Images formed by spherical mirrors, centre of curvature, principal axis, principal focus, focal length, mirror formula (Derivation not required), magnification.
Refraction; Laws of refraction, refractive index.
Refraction of light by spherical lens; Image formed by spherical lenses; Lens formula (Derivation not required); Magnification. Power of a lens.
Chapter – 11 Human eye and colourful world
Refraction of light through a prism, dispersion of light, scattering of light, applications in daily life.

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