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:
These three short online lessons discuss asteroids, comets and meteors.
These two short online tutorials discuss how the earth rotates and then the earth's revolutions.
In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.
This online tutorial will explain the earth's shape and its hemispheres.
The idea of the electric field, how it's useful, and explains how the electric field is defined.
This online article delves into our the sun and planets were formed.
These four short online lessons will cover the following:
This online resource explores the following topics:
Forces at a distance are explained by fields (gravitational, electric, and magnetic) permeating space that can transfer energy through space. Magnets or electric currents cause magnetic fields; electric charges or changing magnetic fields cause electric fields.