CBSE Class 8 Science Revision Assignment Set C

CBSE Class 8 Science - Revision (3)

Chapter wise assignments are being given by teachers to students to make them understand the chapter concepts. Its extremely critical for all CBSE students to practice all assignments which will help them in gaining better marks in examinations. All assignments available for free download on the website are developed by the best teachers having many years of teaching experience in CBSE schools all over the country. Students, teachers and parents are advised to download the CBSE study material.



1. Define the following terms

a. Latent heat of vaporization

b. Latent heat of fusion

2. Why do soft drink bottles cool better in ice than in water?

3. Why are the burns caused by steam more severe than those caused by

boiling water ?

4. When we go for vaccination, the Dr. rubs a little spirit on our skin and we immediately

feel very cool at that spot. Why?

5. Observe the given table

substance Specific heat capacity(cal/g°C)

steel 0.11

aluminum 0.21

100 g of each substance is heated from 30°C to 40°C.

a) Calculate the amount of heat required in each case

b) Which metal requires the greatest amount of heat and which one the least?


1. Explain the formation of Oxide ion from oxygen atom. Show it as

representation in word form as well as diagrammatic form

2. Write any five common radioisotopes and their uses.

Please click the below link to access CBSE Class 8 Science - Revision (3)



Click to View or Download pdf file
Click for more Science Study Material

Latest NCERT & CBSE News

Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

Keep your kids engaged during Lockdown

Kids are the Future of our Country! Outlines have changed and so should the formats of existence! It is the best time to teach our kids the pleasure of Self-Discipline, Self-Realization and Self-Control. To keep the future generation safe in such unpredictable...

Revised SOP preventive measures followed while conducting examinations

Revised SOP on preventive measures to be followed while conducting examinations to contain spread of COVID-19 issued by Ministry of Health & Family Welfare Examination centres are frequented by large number of students (as well as their parents) and staff till the...

Conduct of the practical work during the lockdown

CBSE has advised schools to follow the Alternative Calendar developed by NCERT to continue education during the lockdown through alternative modes to achieve learning outcomes. Schools have reportedly started using these calendars and other prescribed pedagogical...

Studies Today