<http://schema.org/description>
"Using a protractor to measure the alien's laser beams 'attacking' earth.  Children draw a line from the centre of the earth to the alien ships target (angle) then they measure the angle, and next to it write the degree and the type of angle it is.\r\n\r\nSuit..."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.tes.com/teaching-resource/alien-angles-attack-6044194>