9. Answer the following questions:

a. What is energy?

b. Write any three uses of heat energy.

c. Mention some uses of sound energy.

d. For what purpose is light energy used?

e. Food has chemical energy. What is chemical energy used for?

f. What is the source of energy?



Answer :

Final answer:

Energy can manifest in different forms like heat, light, sound, and chemical energy, each with diverse applications.


Explanation:

Energy can exist in various forms such as heat, light, sound, chemical, and more. Heat energy is commonly used for cooking, heating buildings, and generating electricity. Sound energy is utilized in various applications like music production, communication, and medical imaging. Light energy is used for illumination, photosynthesis in plants, and in technologies like solar panels to generate electricity.


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