Angles of elevation and depression
This video explains the angles of elevation and depression.
This video explains the angles of elevation and depression.
Video 1: How to calculate the area of a parallelogram
Video 2: Examples relating to calculating the area of a parallelogram
Video 3: Common mistakes made when calculating the area of a parallelogram
Note: After watching each video, click on the 'back button' to return to the VLE
Video 1: How to calculate the area of a trapezium
Video 2: Examples pertaining to calculating the area of a trapezium
Video 3: Common mistakes made when calculating the area of a trapezium
Note: Click on the 'back button' after watching each video, in order to return to the VLE
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.