CBSE Class 10 Science Practicals 2021 | FREE Download Syllabus & Lab Manuals PDFs

CBSE Class 10 Science Practicals have an important role in developing your knowledge. Without practical work, Science is nothing. CBSE board has included the practicals in the Class 10 Science Syllabus to make students more familiar with basic tools and techniques used in the laboratory.

Students will have a better understanding of the concept in a better way by observing the changes happening in front of their eyes while performing the experiments. They can improve the basic science fundamentals band gradually they will learn by doing things.

CBSE Class 10 Science Practicals 2021

10th Class Science Practical Exam has its own importance. For this, we have Come up with detailed Information about CBSE Class 10 Science Practical syllabus, Lab Manuals, Study Materials and You can also download the Chapter-wise CBSE 10th Practicals PDF and boost your practical exam preparation for free You will find the following practicals in CBSE 10th Science:

You will find the following practicals in CBSE 10th Science:

CBSE 10th Class Biology Practicals

    • Experimentally Show That Carbon Dioxide Is Given Out During Respiration
    • Identification Of The Different Parts Of An Embryo Of A Dicot Seed
    • Preparing A Temporary Mount Of A Leaf Peel To Show Stomata
    • Studying Binary Fission In Amoeba And Budding In Yeast With The Help Of Prepared Slides

CBSE 10th Class Chemistry Practicals

    • Ph Of Samples
    • Properties Of Acetic Acid Experiment
    • Properties Of Acids And Base
    • Reactivity Series Experiment
    • Study The Comparative Cleaning Capacity Of A Sample Of Soap In Soft And Hard Water
    • Types Of Reactions Experiment

CBSE 10th Class Physics Practicals 

    • Dependence Of Potential Difference Across A Resistor On Current With Graph
    • Determination Of Focal Length Of Concave Mirror And Convex Lens
    • To Determine Equivalent Resistance Of Resistors When Connected In Series And In Parallel
    • To Find Image Distance For Varying Object Distances Of A Convex Lens With Ray Diagrams
    • Tracing Path Of A Ray Of Light Passing Through A Glass Slab
    • Tracing The Path Of The Rays Of Light Through A Glass Prism

Revised CBSE Class 10 Science Practicals Marking Scheme

You should know that Science practicals also carry marks in the 10th Board Exam. The 10th Class Science theory paper carries 80 marks, and the internal assessment carries 20 marks.

The marking scheme for internal evaluation is shown below:

Internal Assessment Class 10 Science Marking Scheme

Periodic Assessment

05 marks + 05 marks

Practical Work

05 marks


05 marks


20 marks

Detailed CBSE Class 10 Science Practical Syllabus

You should know that the practicals are related to the concept taught in the theory classes.CBSE Class 10 Science Practicals Comprise a total of 15 practicals in the syllabus as given below.

List of Experiments for CBSE class 10 Science Practicals

  • Experiment 1
    • Finding the pH of the following samples by using pH paper/universal indicator:
      • Dilute Hydrochloric Acid
      • Dilute NaOH solution
      • Dilute Ethanoic Acid solution
      • Lemon juice
      • Water
      • Dilute Hydrogen Carbonate solution
    • Studying the properties of acids and bases (HCl & NaOH) on the basis of their reaction with:
      • Litmus solution (Blue/Red)
      • Zinc metal
      • Solid sodium carbonate
  • Experiment 2. Performing and observing the following reactions and classify them into:
    • Combination reaction
    • Decomposition reaction
    • Displacement reaction
      • Double displacement reaction
      • The action of water on quicklime
      • The action of heat on ferrous sulphate crystals
      • Iron nails kept in copper sulphate solution
      • The reaction between sodium sulphate and barium chloride solutions
  • Experiment 3. Observing the action of Zn, Fe, Cu and Al metals on the following salt solutions:
    • ZnSO4(aq)
    • FeSO4(aq)
    • CuSO4(aq)
    • Al2 (SO4)3(aq)
  • Arranging Zn, Fe, Cu and Al (metals) in decreasing order of reactivity based on the above result.
  • Experiment 4. Studying the dependence of potential difference (V) across a resistor on the current (I) passing through it and determine its resistance and also plotting a graph between V and I.
  • Experiment 5. Determination of the equivalent resistance of two resistors when connected in series and parallel.
  • Experiment 6. Preparing a temporary mount of a leaf peel to show stomata.
  • Experiment 7. Experimentally show that carbon dioxide is given out during respiration.
  • Experiment 8. Study of the following properties of acetic acid (ethanoic acid):
    • Odour
    • Solubility in water
    • Effect on litmus
    • Reaction with Sodium Hydrogen Carbonate
  • Experiment 9. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.
  • Experiment 10. Determination of the focal length of:
    • Concave mirror
    • Convex lens
    • by obtaining the image of a distant object
  • Experiment 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.
  • Experiment 12. Studying (a) binary fission in Amoeba, and (b) budding in yeast and Hydra with the help of prepared slides.
  • Experiment 13. Tracing the path of the rays of light through a glass prism.
  • Experiment 14. Finding the image distance for varying object distances in case of a convex lens and drawing corresponding ray diagrams to show the nature of the image formed.
  • Experiment 15. Identification of the different parts of an embryo of a dicot seed (Pea, gram or red kidney bean).

Download the Exclusive CBSE Class 10 Science Lab Manual PDF

Before performing any experiments in the laboratory, students should know about the use of the instruments. In this CBSE Class 10 Science lab manual, you will know about the instruments in the laboratory and also know various the do’s and don’t while performing experiments.

You will find the following points in every experiment in the CBSE class 10 Science lab manual.

  • Aim: It covers the objective of the experiment.
  • Theory: It covers the basic principles, laws, or theories behind every experiment.
  • Material required: It covers the list of all types of equipment, measuring devices, and other essential materials to perform the experiment.
  • Procedure: It comprises the steps to perform the experiment a proper sequence. It also includes diagrams to present the pictorial view of the experiment.
  • Observation: It covers the observation data of the experiment while performing the experiments. You should note in the form of a table for better presentation with the proper expression of units for every measurement.
  • Calculations: Calculations are done based on the observation by using the formulae. In some experiments, you may have to draw the graphs.
  • Results and Discussion: It covers the final result of the experiment.
  • Precautions and Sources of Errors: It includes all precautions observed while conducting the experiments. It should also include the sources of error that arise due to the limitation of equipment.

Download CBSE Class 10 Science Lab Manual PDF

Interesting and Important Study Materials for CBSE Class 10 Science

Along with 10th Science Practicals, you should have the following study materials to speed up your Science Board Exam Preparation.

Click on the link to access the CBSE 10th Science Study Materials.

We have covered the detailed guide on CBSE Class 10 Science Practicals. Feel free to ask any questions in the comment section below.

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