Science (S 1004) - Grade 10

Unit Area Covered Marks
Unit 1 Electric Circuits 05 Read more
Unit 2 Magnetism 05 Read more
Unit 3 Acids, Bases and Salts 10 Read more
Unit 4 Metals 05 Read more
Unit 5 Life Processes 05 Read more
Unit 6 Control and Coordination 10 Read more
Unit 7 Electromagnetic induction 10 Read more
Unit 8 Light 10 Read more
Unit 9 Electricity and Chemistry 10 Read more
Unit 10 Carbon and its compounds 10 Read more
Unit 11 How do organisms reproduce ? 10 Read more
Unit 12 Heredity and Evolution 10 Read more
Total Marks 100

Unit 1

Electric Circuits

  • Identify different components of an electric circuit.
  • Draw and use simple symbols used in an electric circuit.
  • Define the terms electric current electric potential and establish the relationship between the two.
  • Define and explain the term resistance.
  • State and explain Ohm's law and express it graphically
  • Comprehend series and parallel combination of resistors.
  • Solve simple numerical problems based on related concepts.
  • Explain heating effects of electric
  • current and its application in fuses, heating devices and electric power consumption comprehend the magnetic effect of current.
  • Apply magnetic effect of current to understand common observation

Unit 2


  • Describe the properties of magnets and magnetic materials
  • Differentiate between permanent magnets and electromagnets
  • List uses of magnets and electromagnets
  • Describe force on a current carrying conductor placed in a magnetic field
  • Describe factors that affect the force on a current
  • carrying conductor kept in a magnetic field State, explain and illustrate Fleming's left hand rule
  • Describe the construction and working of an electric motor.

Unit 3

Acids, Bases and Salts

  • Explain acids and bases in terms of proton transfer.
  • List and explore the characteristic properties of acids and bases
  • Differentiate between strong and weak acids and bases
  • Explain acidity and alkalinity in terms of pH
  • Appreciate the importance of controlling acidity in soil.

Unit 4


  • State general physical and chemical properties of metals
  • Explain the usage of metals as alloys
  • Discuss reactivity series of metals.
  • Arrange metals (K, Na, Ca, Mg, Zn, Fe, Cu) in an increasing order of reactivity based on their reactions with water or steam, dil HCl, reduction of their oxides with carbon
  • Explore reactivity series as the tendency of a metal to form its positive ions
  • Investigate displacement reactions of metals
  • Carry out an activity to study the action of heat on carbonates and nitrates of metals – decomposition reactions
  • Illustrate apparent unreactivity of A1
  • Appreciate uses of metals and alloys
  • Describe \extraction of iron from haematite.

Unit 5

Life Processes

  • Explain the significance of Life Processes for maintenance of life.
  • Relate the processes of nutrition and respiration with the path of metabolic activities that lead to energy formation and excretion of carbon dioxide.
  • Compare the process of respiration of human with an aquatic animal.
  • Illustrate and explain path of transport of blood and infer the role of heart as a pump.
  • Explain the role of blood vessels, lymph and platelets in the system of transportation.
  • Analyse the transportation of water and food substances in plants and infer the importance of transpiration in trees.
  • Illustrate the structure of a nephron and enumerate the steps involved in the production and excretion of urine.
  • List the techniques adopted by plants to excrete the waste materials.

Unit 6

Control and Coordination

  • Recall the role of human brain as the major control and coordination centre of our body
  • Comprehend the significance of nervous and muscular system for providing control and coordination in animals.
  • Illustrate and enumerate the sequence of events that leads to the reflex action.
  • Identify and describe different parts of human brain and their functions.
  • Recognise the need to protect spinal cord and brain.
  • Locate various endocrine glands in human beings, list the hormones released by these and enumerate the action of thyroxin.
  • Infer that malfunctioning of endocrine glands will affect metabolism of the body.
  • Define the term 'tropic movement' and interpret that coordination in plants is demonstrated by their responses towards stimuli.
  • Conclude that chemical coordination occurs in plants and animals.

Unit 7

Electromagnetic induction

  • Describe and demonstrate. The phenomenon of electromagnetic induction.
  • State and explain Fleming's Right Hand Rule.
  • Describe factors which affect the magnitude of the current induced in a conductor placed in a magnetic field.
  • Describe the principle and working of a electric generator.
  • Describe the principle, contraction and working of a transformer.
  • Comprehend the meaning of alternating current.
  • Explain transmission of electric energy from one place to another.
  • Describe transmission of electric power at high voltages.
  • Write units used to measure electric power consumption.

Unit 8


  • Describe the nature of Light and Light Waves
  • Explain and demonstrate the phenomenon of reflection of light.
  • Differentiate between real and virtual images.
  • Describe image formation in a plane mirror and write characteristics of the image formed.
  • Explain and demonstrate the phenomenon of refraction of light.
  • Explain the meaning of the terms 'refractive index' and 'optical density' and their correlation with the speed of light
  • Understand basic features of two types of spherical lenses and the meaning of the terms associated with these.
  • Explain the formation of images through thin lenses.
  • Understand the meaning of magnification and power of a lens.
  • Describe simple practical applications of reflection and refraction.
  • Explain in brief the structure of a human eye.
  • Explain the role of different parts of the human eye.
  • Explain the term Normal vision
  • Appreciate the role of the eye lens in the power of accommodation.
  • Differentiate between- short sightedness and long sightedness with the help of ray diagrams.
  • Explain the role of lenses in correcting the defects of 'myopia' and 'hypermetropia'.
  • List necessary steps- for Care of the eye.
  • Explain basic aspects of refraction of light through a prism.
  • Describe Newton's experiments on formation of 'spectrum' of white light by a prism.
  • Understand phenomenon of dispersion of light and 'rainbow' as an example of this phenomenon in nature.
  • Explain the phenomenon of scattering of light; understand the
  • 'BLUE COLOUR' of the sky and the use of 'red colour' as a 'warning light'.

Unit 9

Electricity and Chemistry

  • Distinguish between oxidation and reduction in terms of electron gain or loss/ gain or loss of oxygen or hydrogen
  • Comprehend the working of Electrolytic cell
  • Observe and explain Electrolysis of molten salts using inert electrodes
  • Predict the products of Electrolysis of aqueous solutions of electrolytes using inert and reactive electrodes
  • Appreciate the use of electrolysis in refining of metals
  • Recognize the use of electrolysis in electroplating
  • Explain Electrochemical theory of rusting
  • Suggest methods to prevent rusting
  • Describe extraction of Al from bauxite
  • Analyse the working of Electrochemical cells- simple Zn / Cu cells

Unit 10

Carbon and its compounds

  • Name and draw structure of alkanes, alkenes, alkynes (non cyclic) upto 6 carbon atoms
  • Draw the nomenclature structure of alcohols, carbonyl compounds, carboxylic acids upto 6 C- atoms
  • Identify Homologous series and functional group
  • Analyze Petroleum as a mixture of hydrocarbons
  • Describe Fractional distillation of petroleum and analyze the uses of fractions obtained.
  • Describe bonding in alkanes.
  • Explain unreactivity of alkanes
  • Comprehend substitution reactions of alkanes with chlorine
  • Investigate the cracking of alkanes to form alkenes
  • Explore reactions of alkenes with bromine, hydrogen, steam
  • Distinguish between saturated and unsaturated hydrocarbons
  • Recognize Addition polymerization
  • Relate the preparation of Alcohols with fermentation
  • Describe Uses of alcohol as a fuel, solvent
  • Explain the oxidation of ethanol to form ethanoic acid
  • Recognise Ethanoic acid as a typical weak acid
  • Explain Esterification
  • Identify synthetic polymers formed by condensation polymerization – Structure of Nylon and Terylene
  • Investigate the pollution problems caused by non bio degradable plastics.

Unit 11

How do organisms reproduce ?

  • Recall that all living organisms reproduce for the continuity of life.
  • Explain why, inspite of resemblance between parents and offspring they show variation.
  • Recognise the importance of variations for survival of a species
  • Illustrate and explain modes of reproduction in unicellular and simple multicellular organisms.
  • Differentiate between vegetative, asexual and sexual reproduction.
  • Interpret the significance of sexual mode of reproduction.
  • Illustrate reproductive parts of a flower and explain their role in sexual reproduction.
  • List events and changes that mark the onset of puberty in human beings.
  • Illustrate male and female reproductive system of human beings and summarize the role of testes, ovaries and the germ cells.
  • Realize the significance of reproductive health.
  • Describe the causes, symptoms and methods of prevention of various sexually transmitted diseases
  • Comprehend the importance and methods of birth control in planning a family and hence contributing towards controlling the population.

Unit 12

Heredity and Evolution

  • Describe the structure of DNA and investigate its role in heredity and variation.
  • Define the term 'traits' and explain their pattern of inheritance.
  • Define the terms: gene, genotype, phenotype, homologous chromosomes, inheritance, genetic variation, evolution and species
  • Differentiate between genotype and phenotype of an organism
  • Discuss the role and contribution of Mendel in genetics and explain the rules of inheritance.
  • Represent diagrammatically the steps involved in chromosomal basis of sex determination in human beings
  • Distinguish between acquired and inherited traits
  • Interpret the role of various evidences in tracing evolutionary relationships
  • Reconstruct various steps that lead to formation of new species
  • Infer that classification of organisms is based on the similarity and dissimilarity of characteristics that in turn are the result of evolutionary relationships
  • Interpret how environmental selection leads to evolution and speciation.
  • Appreciate that human beings living in different parts of the world belong to same species that evolved in Africa and spread to the world in stages.