Energy and change

grade 7 energy and change concept mapping

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Energy and change by Mind Map: Energy and change

1. National electronic supply systen

1.1. Electricity

1.1.1. Wires

1.1.1.1. Home

1.2. Mechanical movememt

1.3. Turbines

1.4. Sources

1.4.1. Coal , oil , gas , fossil fuels

1.4.1.1. Grid system circuit

1.4.1.1.1. electrical energy supply

1.4.1.2. Renewable

1.5. Energy

2. Different types of energy

2.1. Potential energy

2.1.1. Energy a body has due to stored energy

2.2. Kinetic energy

2.2.1. Energy a body has due to movement

3. Potential and Kinetic energy

3.1. conserved

3.1.1. Law of Conservation of Energy

3.1.1.1. Energy

3.1.1.1.1. Cannot be created or destroyed

3.1.1.1.2. is transferred

3.1.1.1.3. From one object to another

3.2. Used in systems

3.2.1. which is a set of moving parts working together

3.2.1.1. Mechanical systems

3.2.1.2. Thermal systems

3.2.1.3. Electrical

3.2.1.4. Biological

4. Heat energy

4.1. Heat Energy Transfer

4.1.1. Hotter body

4.1.1.1. Cooler body

4.2. Conduction

4.3. Convection

4.4. Radiation

5. Heat insulation and energy saving

5.1. Energy efficiency

5.2. Insulating materials

5.3. Energy transfer

5.3.1. Heat gain

5.3.2. Reduce

5.3.3. Heat loss

6. Energy transfer to surroundings

6.1. Less input

6.2. Greater output

6.3. Systems

6.3.1. Appliances

6.3.2. Vehicles

6.4. Wasted energy

6.4.1. Sound

6.4.2. Light

6.4.3. Heat