A force is a push or a pull that acts on an object due to the interaction with another object. Force is measured in newtons (N). Forces are divided into contact forces and non-contact forces. A force ...

Solids can be categorised into conductors, semiconductors or insulators by their ability to conduct electricity. Electron band theory explains differences in conduction. Semiconductors can be doped ...

Higher Physics - current, potential difference, power and resistance. revision-guideHigher Physics - current, potential difference, power and resistance Brush up on your current, potential difference, ...

Higher Physics - monitoring and measuring a.c. revision-guideHigher Physics - monitoring and measuring a.c. Brush up on your monitoring and measuring a.c. knowledge and understanding with our Higher ...

Electromotive force is defined as energy per unit charge. Internal resistance provides an explanation for varying terminal potential difference under load. Brush up on your electrical sources and ...

As a compulsory subject, Science is one of the ten most popular topics to be taken at GCSE and it can lead to a range of exciting careers. However, there's been a decline in the percentage of younger ...

Do you want to see how studying geography can make a difference to the world? Get ready for an adventure across the globe where you make the decisions! From tropical beaches to bustling cities, you’ll ...