<http://schema.org/description>
"Practical worksheet intened for year 8 students to investigate the action of salivary amylase on starch\r\nPaper saving PowerPoint version of the worksheet also attached :)..."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.tes.com/teaching-resource/the-action-of-salivary-amylase-on-starch-6329721>