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.
Assignment for Science CBSE Class 8 Science And Technology
Our team of expert teachers have referred to NCERT book for Class 8 Science to design the Science Class 8 Assignments. If you practice at least one test paper daily, you will get higher marks in Class 8 exams this year. Daily practice of Science course notes and related study material will help you to clear all your doubts and have stronger understanding of all concepts. You can download all Revision notes for Class 8 Science also from www.studiestoday.com absolutely free of cost.
Science And Technology Assignment Science CBSE Class 8
All questions and their answers for the assignment given above for Class 8 Science have been developed as per the latest curriculum and books issued for the current academic year. The students of Class 8 can rest assured that the best teachers have designed the questions of Science so that you are able to revise the entire syllabus if you do the assignments. 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.
Science And Technology Assignment CBSE Class 8 Science
Regular assignment practice helps to get a more comprehensive understanding of Science And Technology concepts. Assignments play a crucial role in understanding Science And Technology in CBSE Class 8. Students can download all the assignments of the same chapter in Class 8 Science in Pdf format. You can print them or read them online on your computer or mobile.
CBSE Science Class 8 Science And Technology Assignment
CBSE Class 8 Science latest books have been used for coming up with the latest questions and solutions for the above assignment. If you have revised all concepts relating to Science And Technology then you should attempt all questions given in the test sheets above. We have also provided lot of Worksheets for Class 8 Science which you can use to further make your self stronger in Science
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The Science And Technology Class 8 Science Assignments have been designed based on latest CBSE syllabus for Class 8 Science issued for the current academic year
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