By Solving CBSE Sample Papers for Class 10 Science with Solutions, Pre Board CBSE Sample Papers for Class 10 Science in Pdf format for Term 1 & Term 2 , students understand the pattern of questions asked in the board exam.Science for Class 10 is considered to be one of the most important and immensely scoring subjects. And the best way to prepare apart from completing NCERT and reference books is solving CBSE Sample Question Papers for Class 10 . Know about the important concepts to be prepared for CBSE Class 10 Science board exam and Score More marks. Here on Ribblu one can get immense collection of Class 10 Science Sample Papers in PDF format for free. According to new CBSE Exam Pattern
Section A consists of 20 objective type questions carrying 1 mark each. [MCQ's]
Section B consists of 6 Very Short questions carrying 02 marks each.
Section C consists of 7 Short Answer type questions carrying 03 marks each.
Section D consists of 3 Long Answer type questions carrying 05 marks each.
Section E consists of 3 source-based/case-based units of assessment of 04 marks each.
|Class 10 Science Marks Distribution|
|Chemical Substances - Nature & Behaviour||25|
|World of Living||23|
|Effects of Current||13|
Unit I: Chemical Substances - Nature and Behaviour
Chemical reactions: Chemical equation, Balanced chemical equation, implications of a balanced chemical equation, types of chemical reactions: combination, decomposition, displacement, double displacement, precipitation, endothermic exothermic reactions, oxidation and reduction.
Acids, bases and salts: Their definitions in terms of furnishing of H+ and OH– ions, General properties, examples and uses, neutralization, 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.
Metals and nonmetals: Properties of metals and non-metals; Reactivity series; Formation and properties of ionic compounds; Basic metallurgical processes; Corrosion and its prevention.
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 hydro carbons 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.
Theme: The World of the Living
Unit II: World of Living
Life processes: ‘Living Being’. Basic concept of nutrition, respiration, transport and excretion in plants and animals.
Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.
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.
Heredity and Evolution: Heredity; Mendel’s contribution- Laws for inheritance of traits: Sex determination: brief introduction: (topics excluded - evolution; evolution and classification and evolution should not be equated with progress).
Theme: Natural Phenomena
Unit III: Natural Phenomena
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. 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 (excluding colour of the sun at sunrise and sunset).
Theme: How Things Work
Unit IV: Effects of Current
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 applications in daily life. Heating effect of electric current and its applications in daily life. Electric power, Interrelation between P, V, I and R.
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, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.
Theme: Natural Resources
Unit V: Natural Resources
Our environment: Eco-system, Environmental problems, Ozone depletion, waste production and their solutions. Biodegradable and non-biodegradable substances.
Practical should be conducted alongside the concepts taught in theory classes
LIST OF EXPERIMENTS
B. Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with:
1. Litmus solution (Blue/Red)
2. Zinc metal
3. Solid sodium carbonate
2. Performing and observing the following reactions and classifying them into:
A. Combination reaction
B. Decomposition Reaction
C. Displacement Reaction
D. Double displacement reaction
(i) Action of water on quicklime
(ii) Action of heat on ferrous sulphate crystals
(iii) Iron nails kept in copper sulphate solution
(iv) Reaction between sodium sulphate and barium chloride solutions
3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:
iv) Al2 (SO4)3(aq)
Arranging Zn, Fe, Cu and Al (metals) in the decreasing order of reactivity based on the above result.
4. Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance. Also plotting a graph between V and I
5. Determination of the equivalent resistance of two resistors when connected in series and parallel.
6. Preparing a temporary mount of a leaf peel to show stomata.
7.Experimentally show that carbon dioxide is given out during respiration.
8. Study of the following properties of acetic acid (ethanoic acid):
ii) solubility in water
iii) effect on litmus
iv) reaction with Sodium Hydrogen Carbonate
9. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.
10. Determination of the focal length of:
i) Concave mirror
ii) Convex lens by obtaining the image of a distant object.
11. Tracing 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.
12. Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides.
13. Tracing the path of the rays of light through a glass prism.
14. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean)
|Type of Question||Marks per Question||Total No. of Questions||Total Marks|
|Objective Type Questions||1||20||20|
|Short Answer Type Questions||3||10||30|
|Long Answer Type Questions||6||5||30|
For Preparation of board exams students can also check out other resource material
What are CBSE Sample Papers?
Sample papers are mainly a kind of mock tests or model test papers which are prepared in accordance with the latest syllabus and guidelines that are issued by the central board. These examination test papers are designed as the replica of the actual papers that are asked in final examinations. All the marking schemes , number of questions , types of questions asked are followed as per board scheme and are issued to students two or three months before the examinations so that students get enough time to practice.
What is the importance of Sample Papers for Students?
In order to access the level of preparation done by any particular student he or she needs to solve CBSE Sample Papers. These papers are the perfect way to practise for the final board exam. If one wants to have a clear idea of how the final exam papers would be in terms of level of difficulty, time and other aspects then , all students must make sure that they do sample papers once their course revision is finished.
Few benefits of solving CBSE sample papers are given below:
Best Time to Practice Sample Papers
This mainly varies from student to student but in general students should start dealing with sample papers as soon as their book revisions are over. Infact along with sample papers students should also look for model test papers of various publishers and attempt them to get the idea of level of preparation. As the dates of exam are approaching near by that time only samples papers should be mainly considered for practice and in case of any shortcomings those should be thoroughly discussed with teachers freids and other concerned person so that one has clarity before attempting the final paper.