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:
In this lesson you will learn about:
The Earth behaves like a giant bar magnet and as such there is a magnetic field present around it. The Earth’s magnetic field is thought to be caused by flowing liquid metals in the outer core of the planet which causes electric currents and a magnetic field.
This YouTube video delves into the impact that tourism can have on a country's economy.
In this lesson you will learn about:
In this unit you will learn about:
The idea of the electric field, how it's useful, and explains how the electric field is defined.
This YouTube video delves into the impact that tourism can have on the environment.
This video explains how to calculate the gradient (slope) of a straight line.
This YouTube video explains how to calculate an irregular area on a map.