Circle Terminology
There are some key words that you need to know for circles: radius, circumference, diameter, sector, segment, tangent, chord and arc. In this video you will discover what they all mean.
There are some key words that you need to know for circles: radius, circumference, diameter, sector, segment, tangent, chord and arc. In this video you will discover what they all mean.
This video discusses the topic of circles.
This video explains the equation of a circle.
This online resource introduces the geocentric and heliocentric models. Exoplants, planets and their motions, planetary orbits, the role of gravity and how the solar system was formed are also covered.
This fascinating video details the journey that a group of friends made in Nevada. Their aim was to illustrate the solar system to scale.
Visualising, adding and breaking down vectors in 2 dimensions.
In this unit you will learn what a force is and find out about different types of forces. This will allow you to identify forces at work in your everyday life and understand the effects of forces.