NCERT Solutions for Class 10 Science Chapter 14- Sources of Energy
This chapter holds a weightage of 1 mark in the examination. A single question was asked from this chapter in the previous year examination.
This chapter includes the following topics:
14.1 What Is A Good Source Of Energy?
14.2 Conventional Sources Of Energy
14.3. Alternative Or Non-Conventional Sources Of Energy
14.4. Environmental Consequences
14.5 How Long Will An Energy Source Last Us?
List of Exercises
Exercise Solutions 10 Questions (3 MCQs, 3 long, 4 short)
What is a Good Source of Energy?- 4 Questions
Non-Conventional Sources of Energy- 3 Questions
Conventional Sources of Energy- 2 Questions
Environmental Consequences- 1 Question
NCERT Solutions for Class 10 Science Chapter 14- Sources of Energy
Energy is derived from several sources. These sources are classified as:
- Renewable Sources
- Non-renewable Sources
Renewable energy is the one that is derived from natural sources such as sun, wind, water, etc and can be replenished. The energy derived from these natural sources can be converted into various forms of energy such as solar energy which is widely used in solar cookers, solar panels to generate electricity, solar batteries etc., wind energy used in windmills,
The non-renewable energy is the obtained from natural resources that once exhausted cannot be replenished. Coal, oil and natural gas are the sources of non-renewable energy. It takes several years for the formation of these resources. These are widely used in today’s scenario. However, they are less eco-friendly when compared to renewable resources as they produce a lot of environmental pollution when burnt.
These sources of energy have several advantages and disadvantages. Therefore, they should be used wisely. The non-renewable sources are on the verge of getting exhausted. Alternative sources of energy are being searched which can be used in an environment-friendly manner without being depleted.