Class 7 Exam  >  Class 7 Videos  >  Science Class 7  >  Quick Revision: Heat

Quick Revision: Heat Video Lecture | Science Class 7

This video is part of
112 videos|275 docs|28 tests
Join course for free

FAQs on Quick Revision: Heat Video Lecture - Science Class 7

1. What is heat?
Ans. Heat is a form of energy that is transferred between objects or systems due to a temperature difference.
2. How is heat transferred?
Ans. Heat can be transferred through conduction, convection, or radiation.
3. What are some common sources of heat?
Ans. Some common sources of heat include the sun, fire, electrical appliances, and the human body.
4. How does heat affect matter?
Ans. Heat can cause matter to change its state (solid, liquid, gas), expand or contract, and increase its temperature.
5. What is the unit of measurement for heat?
Ans. The unit of measurement for heat is the calorie or joule.
112 videos|275 docs|28 tests

Up next

Explore Courses for Class 7 exam
Related Searches

past year papers

,

Exam

,

Previous Year Questions with Solutions

,

Quick Revision: Heat Video Lecture | Science Class 7

,

Summary

,

study material

,

Quick Revision: Heat Video Lecture | Science Class 7

,

video lectures

,

Objective type Questions

,

Important questions

,

Extra Questions

,

Semester Notes

,

Viva Questions

,

mock tests for examination

,

pdf

,

ppt

,

Sample Paper

,

practice quizzes

,

Free

,

MCQs

,

Quick Revision: Heat Video Lecture | Science Class 7

,

shortcuts and tricks

;