Adhesion and cohesion
Outcomes
In this unit you will learn about:
- The concept and applications of adhesion
- The concept and applications of cohesion
In this unit you will learn about:
This YouTube video delves into the impact that tourism can have on a country's economy.
This YouTube video delves into the impact that tourism can have on the environment.
This podcast (audio) file explains how electric current can be obtained from the sun through the solar panel using direct illumination of the sun rays
Electrical devices convert the electrical energy carried by the charges into other types of energy such as heat, sound, and motion. Components in the appliance resist the flow of charge and are referred to as resistors. In this unit1 you will understand what resistance is, the factors that affect the resistance and the relationship between resistance and current.
This YouTube video explains how river basins are formed.
This 20 minute YouTube video explores the differences between small and large scale agriculture and the uses of each.
Most of us use electricity every day in many different ways so it is important that we understand the dangers, or hazards, associated with electricity and we know how to use it safely.