Read and download the CBSE Class 8 Science Sample Paper Set O, designed by expert teachers according to the latest 2025-26 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 8 Science sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.
Solved Sample Paper for Class 8 Science PDF
Our Class 8 Science model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 8 students can identify weak areas and improve time management. We also suggest referring to our Class 8 Science Question Papers of previous years to further strengthen your exam preparation.
Class 8 Science Sample Paper with Solutions
CBSE Class 8 Science Sample Paper Set O. It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers.
SECTION - A
Q.1 Name one animal in which reproduction takes place outside the body. (1)
Q.2 What are those materials called which attract water? (1)
Q.3 Name the phenomenon in which a substance combines with oxygen, giving out heat and light.(1)
Q.4 Which electrode is connected to the negative terminal of a battery? (1)
Q.5 What is the first stage of nutritional blindness? (1)
Q.6 Name one alternative source of energy that we can use for generation of electricity. (1)
Q.7 Name any two synthetic polymers. (2)
Q.8 What are the male and female gametes known as in human beings? (2)
Q.9 Why should the ignition temperature of a fuel not be below room temperature? (2)
Q.10 A person has myopia. What problem does he/she face ? Which type ot lens is used to correct it? (2)
Q.11 What is ammonical liquour used for ? (2)
Q.12 Write any two ill effects of acid rain. (2)
Q.13 What are endocrine glands? Give two examples of it. (3)
Q.14 Define fuel and give any two examples of fuel. (3)
Q.15 What are electrolytes? Give two examples of it. (3)
Q.16 What do you mean by white light? Give two examples of it. (3)
Q.17 Define non-renewable resouces? Give two examples of it. (3)
Q.18 What are water pollutants? Give any two examples of water pollutants. (3)
Q.19 How are twins born?
Q.20 What are thermoplastics and thermosetting plastics? (3)
Q.21 What is biogas and how does it burn? (3)
Q.22 Why are metals good conductor of electricity? (3)
Q.23 State the laws of reflection of light. (3)
Q.24 Rekha lives in an industrial town which has many industries as well as heavy road traffic throughout the year. Once Rekha and her lassmate did a ‘health survey’ in the town for a science project. They found atleast one member in almost all families was suffering with ‘respiratory disease’.(3)
i) According to your opinion, what may be the possible reason of high rate of respiratory diseases in the town?
ii) Write any two examples of air pollutants and their sources.
Q.25 Draw a well labelled diagram of any one of the following : (3)
Fractional distillation of petroleum.
OR
Operations at waterworks.
Q.26 Observe the below diagram carefully and label the parts of it, given as a, b, c, d, e and f.(3)
Q.27 How is the sex of a foetus determined ? Why is it prohibited by law?
OR
What are secondary sexual characters? Mention the male and female secondary sexual characters in human being. (5)
Q.28 What is electrolysis ? What happens in electrolysis of water?
OR
Write the uses of electrolysis. (5)
Q.29 a) How is the light entering the eye controlled?
b) Write the properties of the image formed by a plane mirror. (5)
Q.30 What is shifting cultivation? What impact does it have on forest? (5)
Q.31 a) Name four water borne diseases.
b) Discuss any three methods of preventing water pollution.
SECTION – B
Q.32 The adrenal glands are attached to the –
a) kidney b) pancreas c) wind pipe d) brain (1)
Q.33 Sperms are produced by the –
a) testes b) epidedymis c) penis d) scrotal sac (1)
Q.34 Which of the following is a natural polymer?
a) polyesters b) nylon c) cellulose d) acrylic (1)
Q.35 Which of the following has the highest tensile strength? (1)
a) cotton b) nylon c) silk d) wool
Q.36 A log of wood attains the ignition temperature __________ than wood shaving do.
a) faster b) slower c) earlier d) not certain (1)
Q.37 Which of the following is not derived from a fossil fuel? (1)
a) LPG b) kerosene c) diesel d) biogas
Q.38 On holding a stainless steel dish above the flame of a burning candle, a black, solid deposits on the underside which is –
a) wax vapour b) unburnt carbon particles
c) burnt carbon particles d) water vapour (1)
Q.39 In the electrolysis of potassium iodide, iodine is formed at the __________.
a) cathod b) anode c) electrolyte d) both a & b (1)
Q.40 The electrical process of coating an inexpensive conductor with a metal is called –
a) electrolysis b) electroplating c) electrolyte d) hydrolysis (1)
Please click the link below to download CBSE Class 8 Science Sample Paper Set O.
Important Practice Resources for Class 8 Science
How to download CBSE Class 8 Science Sample Paper Set O in PDF?
Students can easily download the CBSE Class 8 Science Sample Paper Set O from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 8 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Science and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 8 students solve these papers actual exam conditions at home.
Why should you solve CBSE Class 8 Science Sample Paper Set O?
Practicing these model papers has several benefits for Class 8 students:
- New Question Bank: This set has fresh questions for Science which are different from previous years.
- Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 8 and also the type of questions asked.
- Identify Weak Areas: Comparing your score in each set to find out topics in Class 8 Science for which you need hard work.
- Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 8 Science makes you faster and better and you will be able to finish your exam on time.
What should you do after solving CBSE Class 8 Science Sample Paper Set O?
- Check Your Work: Match your answers with the solutions given by our teachers in the Science Sample Paper PDF.
- Learn from Mistakes: Class 8 students should focus on the questions which you solved incorrectly and understand the error.
- Revision: If you find a question difficult you shoul refer to NCERT book for Class 8 Science to understand concepts and then try the question again.
- Continuous Practice: Solve multiple sets of Science sample papers from studiestoday.com to build confidence before the CBSE exams.
You can download the complete PDF for CBSE Class 8 Science Sample Paper Set O for free from StudiesToday.com. Our resources for Class 8 Science are updated for the latest academic session and follow the official exam pattern.
Yes, CBSE Class 8 Science Sample Paper Set O comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Science to help students of Class 8 understand correct methodology and marking scheme.
Practicing this Science paper helps in time management and identifying important topics. For Class 8, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.
Yes, all our study materials for Class 8 Science are provided in a mobile-friendly PDF format. You can easily download CBSE Class 8 Science Sample Paper Set O on your mobile device.