### Theory

 1 Introduction 2 Introduction to work 3 Activity to identify the work in daily life 4 Work done on objects 5 Work - In the view from Science 6 Deifinition of work 7 Direction of force 8 Activity to understand Positive and Negative work 9 Introduction to Energy 10 Sources of energy 11 Activity to understand conversion of energy 12 Deriving the formula to find Kinetic Energy 13 Introduction to Kinetic Energy 14 Introduction to Potential energy 15 Activity to understand Potential energy 16 Gravitational potential energy 17 Potential energy of an object at a height 18 Law of conservation of energy

### Exercises

 1 Find the Power of the lamp Difficulty: easy 3 2 Calculation of Work done over the certain length Difficulty: easy 3 3 Find the work done by the force of gravity on the object Difficulty: easy 3 4 Calculate the work done on the object by the gravitational force Difficulty: easy 3 5 Calculate the work done by the object through the displacement Difficulty: easy 3 6 Exercise on basics of work and energy Difficulty: medium 2 7 Exercise on different forms of energy Difficulty: medium 2 8 Problem on work done Difficulty: medium 4 9 Problem on kinetic energy Difficulty: medium 4 10 Problem on work to be done Difficulty: medium 6 11 Problem on potential energy Difficulty: medium 4 12 Find the height of an object Difficulty: medium 4 13 Compare the objects based on their power Difficulty: medium 6 14 Find the power of a boy claimbing in a staircase Difficulty: medium 5 15 Problem on conversion of W to units Difficulty: medium 4 16 Problem on increase in kinetic energy Difficulty: medium 6 17 Find the Work done by the force Difficulty: medium 4 18 Calculate the Energy Difficulty: medium 4 19 Find the Energy of an Electic heater Difficulty: medium 3 20 Calculate the work required to be done to stop a car Difficulty: medium 5 21 Find the Energy consumed by an electrical device Difficulty: medium 4 22 Calculation of Total energy of an object Difficulty: hard 15

### Tests

 1 Training test 1 Difficulty: medium 8 2 Training test 2 Difficulty: medium 9 3 Training test 3 Difficulty: medium 13

### Teacher manual

 1 Methodical recommendation