CBSE Class 8 Science Science and Technology Assignment Set 02

Welcome! Check out the CBSE Class 8 Science Science and Technology Assignment Set 02 built for the 2026-27 academic term. Get complete Class 8 Science school assignments featuring key solved questions and answers for Science And Technology. Experienced teachers have designed these sheets following official guidelines from NCERT, CBSE, and KVS.

Solved Assignment for Class 8 Science Science And Technology

Check out these Class 8 Science problems for daily practice to boost your school exam results. Designed as an ideal assessment tool for Science And Technology, these printable assignment sheets mix basic questions with advanced problems to secure your success.

Get Science And Technology Assignment PDF for Class 8 Science

Section – A : Chemistry

1) What is friction? What are the two main factors on which the force of friction depends?

2) What is the principle used in ball bearings? How are ball bearings useful to us?

3) What is viscous drag? State three factors on which it depends.

4) With the help of a diagram discuss the terms: Amplitude, Time Period, and Frequency of a sound wave.

5) Draw a labeled diagram of human ear, explaining how the energy of the sound wave is transmitted to the nerves in the cochlea.

6) Name the three types of musical instruments, giving one example of each. Describe how sound is produced in each type.

7) Using the example of a loudspeaker, explain how sound travels.

8) Define the following terms: Electrolyte, Electrolysis, Electrodes,

9) How can you electroplate an aluminium chain with gold? Explain with the help of circuit diagram.

10) Describe the electrolysis of acidulated water.

 

Section – B : Chemistry

1) Write differences between metals and non-metals on the basis of malleability, conductivity, melting point and tensile strength.

2) What do you mean by destructive distillation of coal? Write its products and their uses.

3) How is coal formed?

4) Write the chemical equation for the following:

a) Reaction of sodium with water.

b) Reaction of magnesium oxide with water.

c) Reaction of iron with copper sulphate.

5) What is reactivity series? Arrange these elements in descending order of reactivity. Fe , K , Zn , Na , Al , Cu , Au , Ag

 

Section – C : Biology

1. What is vaccine? Describe the role of micro-organisms in vaccination.

2. Define carriers. How carriers spread diseases? Explain with one example and also mention the preventive measures.

3. Explain three common methods to preserve food items along with examples.

4. ‘Percentage of nitrogen in the atmosphere remains more or less constant’. Explain and justify.

5. Write four major groups of micro-organisms and draw well labeled diagram of one microorganism of each group.

6. Define crops. How crops can be classified on the basis of the season. Explain with examples.

7. Describe two economical modern methods of irrigation.

8. Why manures should be preferred over fertilizers?

CBSE Class 8 Science Assignments for Science And Technology

Chapter Practice Questions for Class 8 Science

Access the latest Science And Technology assignments designed as per the current CBSE syllabus for Class 8. We have included all question types, including MCQs, short answer questions, and long-form problems relating to Science And Technology. You can easily download these assignments in PDF format for free. Our expert teachers have carefully looked at previous year exam patterns and have made sure that these questions help you prepare properly for your upcoming school tests.

Key Advantages of Solving Science And Technology Assignments

  • Academic Growth: Consistent revision of Science And Technology ensures deep comprehension and accurate responses during tests.
  • Syllabus Compliance: Questions strictly follow current CBSE sample papers and official marking frameworks.
  • Diverse Question Types: Each Science And Technology assignment integrates Case Studies, objective items, and descriptive problems with answers.
  • Efficiency & Speed: Routine problem-solving on Science And Technology sets builds critical speed and calculation precision.

Maximizing Results from Class 8 Science Practice Sets

  1. Core Preparation: Go through the NCERT book for Class 8 Science to build strong fundamentals before practice.
  2. Solo Problem Solving: Try working through the Science And Technology questions independently before checking our solutions.
  3. Helpful Assets: Use our Revision Notes and Class 8 worksheets if any specific topic creates confusion.
  4. Progress Monitoring: Note down complex formulas or concepts, clearing them up with our online MCQ tests.

Best Practices for Class 8 Science Preparation

To secure superior grades, try finishing one assignment for Science And Technology every single day. Using timed practice sessions significantly sharpens problem-solving pacing for upcoming CBSE examinations.

FAQs

Where can I download the latest CBSE Class 8 Science Science And Technology assignments?

You can download free PDF assignments for Class 8 Science Science And Technology from StudiesToday.com. These practice sheets have been updated for the 2026-27 session covering all concepts from latest NCERT textbook.

Do these Science Science And Technology assignments include solved questions?

Yes, our teachers have given solutions for all questions in the Class 8 Science Science And Technology assignments. This will help you to understand step-by-step methodology to get full marks in school tests and exams.

Are the assignments for Class 8 Science Science And Technology based on the 2026 exam pattern?

Yes. These assignments are designed as per the latest CBSE syllabus for 2026. We have included huge variety of question formats such as MCQs, Case-study based questions and important diagram-based problems found in Science And Technology.

How can practicing Science And Technology assignments help in Science preparation?

Practicing topicw wise assignments will help Class 8 students understand every sub-topic of Science And Technology. Daily practice will improve speed, accuracy and answering competency-based questions.

Can I download Science Science And Technology assignments for free on mobile?

Yes, all printable assignments for Class 8 Science Science And Technology are available for free download in mobile-friendly PDF format.