In winter you feel cold inside the house. If you come out in the sun, you feel warm. In summer, you feel hot even inside the house. How do we know whether an object is hot or cold? How do we find out how hot or cold an object is? These answers are answered in NCERT Grade 7 Science Chapter 4, Heat.Hot And Cold, Measuring Temperature, Laboratory Thermometer, Transfer Of Heat, Kinds Of Clothes We Wear In Summer And Winter are the main topics covered in this chapter.
The physical phenomenon of Heat along with identification of Hot and Cold objects, way to measure the temperature using thermometer, transfer of heat through conduction, convection and radiation and why should light coloured clothes be worn in summer whereas dark coloured in winter is explained with the help of activities, images and daily-life examples in this chapter. Introduction to new concepts, new technical terms, Project work and demonstrations, make this chapter very creative and colourful. Students get accustomed to new terms and phenomena that shall help them in the future to deal with complex concepts.Grouping of changes based on their similarities helps to learn better and develop a grip on NCERT Grade 7 Science Chapter 4, Heat.
Get 100 percent accurate NCERT Solutions for Class 7 Science Chapter 4 (Heat) explained by expert Science teachers. We provide solutions for the questions given in Class 7 Science textbook as per CBSE Board guidelines from the latest NCERT book for Class 7 Science. The topics and sub-topics in Chapter 4 Heat are given below.
Ex 4.1 - HOT AND COLD
Ex 4.2 - MEASURING TEMPERATURE
Ex 4.3 - LABORATORY THERMOMETER
Ex 4.4 - TRANSFER OF HEAT
Ex 4.5 - KINDS OF CLOTHES WE WEAR IN SUMMER AND WINTER.
We cover all questions in the chapter given below:-
Chapter 4 - 11 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Heat. Download the free PDF of Chapter 4 Heat and take the print out to keep it handy for your exam preparation.