Activity 11.14 Class 9 Science Chapter 11 Work and Energy

Activity 11.14 Class 9 Science Chapter 11

Activity 11.14 Class 9 Science belongs to Chapter 11 Work and Energy Class 9 Science. You will get a complete solution with an explanation and conclusion. After reading activity 11.14, you will be able to answer the questions based on the activity.

Activity 11.14 Class 9 Science Work and Energy

 

You are suggested to study NCERT activity 11.14 class 9 science chapter 11Work and Energy explanation with a conclusion so that you can attempt questions based on activity 11.14 class 9 science.

Activity 11.14 Class 9 Science

    ·     Many of the human activities and the gadgets we use involve the conversion of energy from one to another.

   ·     Make a list of such activities and gadgets.

   ·     Identify in each activity /gadget the kind of energy conversion that takes place.

Observation and explanation of activity 11.14 class 9 science

We have different kinds of energy around us and we use these forms of energy in our daily life. One form of energy is being converted to other.

Many human activities involve energy conversions.

Human activity	Energy conversion
	From	To
Respiration	Chemical energy	Heat energy
Stretching of muscles	Heat energy	Mechanical energy

 

We use many gadgets which work on the  basis of energy conversion.

 

Gadget	Energy conversion
	From	To
Bulb	Electrical energy	light energy
Electric iron	Electrical energy	Heat energy
Mobile battery	Electrical energy	Chemical energy

 

Conclusion of activity 11.14 class 9 science

This activity explains energy conversions in our day-to-day life.

Related Topics 

1. Activity 11.15 Class 9 Science

2. Activity 11.13 Class 9 Science

2. NCERT Solutions of chapter 11