Electricity
1. Electrical and Electronics
2. Batteries
3. Circuits and Switches
4. Conductivity and Non Conductivity
1. Electrical and Electronics
2. Batteries
3. Circuits and Switches
4. Conductivity and Non Conductivity
1. Heat, Work and Temperature
2. Heat and its Relation to Energy
3. Radiations and Rays
4. Physical Properties of Matter
1. Sound and Sound Vibrations
2. String Telephones
3. Electric Guitar for making music
4. Pitch and Frequency
5. Earthquakes