Read and download free pdf of CBSE Class 8 Science Science and Technology Assignment Set B. Get printable school Assignments for Class 8 Science. Class 8 students should practise questions and answers given here for Science And Technology Science in Class 8 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 8 Science prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations
Assignment for Class 8 Science Science And Technology
Class 8 Science students should refer to the following printable assignment in Pdf for Science And Technology in Class 8. This test paper with questions and answers for Class 8 Science will be very useful for exams and help you to score good marks
Science And Technology Class 8 Science Assignment
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?
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CBSE Class 8 Science Science And Technology Assignment
We hope you liked the above assignment for Science And Technology which has been designed as per the latest syllabus for Class 8 Science released by CBSE. Students of Class 8 should download and practice the above Assignments for Class 8 Science regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 8 Science practice sheet in Pdf. All questions have been designed for Science by looking into the pattern of problems asked in previous year examinations. You can download all Revision notes for Class 8 Science also absolutely free of cost. Lot of MCQ questions for Class 8 Science have also been given in the worksheets and assignments for regular use. All study material for Class 8 Science students have been given on studiestoday. We have also provided lot of Worksheets for Class 8 Science which you can use to further make your self stronger in Science.
What are benefits of doing Assignment for CBSE Class 8 Science Science And Technology?
a. Score higher marks: Regular practice of Science Class 8 Assignments for chapter Science And Technology will help to improve understanding and help in solving exam questions correctly.
b. As per CBSE pattern: All questions given above follow the latest Class 8 Science Sample Papers so that students can prepare as per latest exam pattern.
c. Understand different question types: These assignments include MCQ Questions for Class 8 Science with answers relating to Science And Technology, short answers, long answers, and also case studies.
d. Improve time management: Daily solving questions from Science And Technology within a set time will improve your speed and accuracy.
e. Boost confidence: Practicing multiple assignments and Class 8 Science mock tests for Science And Technology reduces exam stress.
How to Solve CBSE Class 8 Science Science And Technology Assignment effectively?
a. Start with Class 8 NCERT and syllabus topics: Always read the chapter carefully before attempting Assignment questions for Class 8 Science Science And Technology.
b. Solve without checking answers: You should first attempt the assignment questions on Science And Technology yourself and then compare with provided solutions.
c. Use Class 8 worksheets and revision notes: Refer to NCERT Class 8 Science worksheets, sample papers, and mock tests for extra practice.
d. Revise tricky topics: Focus on difficult concepts by solving Class 8 Science MCQ Test.
e. Maintain notebook: Note down mistakes in Science And Technology assignment and read them in Revision notes for Class 8 Science
How to practice CBSE Class 8 Science Science And Technology Assignment for best results?
a. Solve assignments daily: Regular practice of Science And Technology questions will strengthen problem solving skills.
b.Use Class 8 study materials: Combine NCERT book for Class 8 Science, mock tests, sample papers, and worksheets to get a complete preparation experience.
c. Set a timer: Practicing Class 8 Science Science And Technology assignment under timed conditions improves speed and accuracy.
You can download free Pdf assignments for CBSE Class 8 Science Science And Technology from StudiesToday.com
All topics given in Science And Technology Science Class 8 Book for the current academic year have been covered in the given assignment
No, all Printable Assignments for Science And Technology Class 8 Science have been given for free and can be downloaded in Pdf format
Latest syllabus issued for current academic year by CBSE has been used to design assignments for Science And Technology Class 8
Yes, we have provided detailed answers for all questions given in assignments for Science And Technology Class 8 Science