Instructions [PowerPoint – 3.54 MB]

Activity 1 – Test white powders – solubility

Story [Word – 178.5 KB], Instructions [Word – 27 KB], Results [Word – 60 KB],

Activity 2 – Who wrote the message? – chromatography.

Instructions [Word – 95.5 KB]

Activity 3 – Make a good impression – dental.

Story, Instructions and Record Card [Word – 208.5 KB],  Teeth Impressions Template [Word Document – 23 KB]

Activity 4 – Taking fingerprints

Story[Word – 437.5 KB], Instructions [Word – 26.5 KB], Record Card [Word – 25 KB],

Supplementary – A muddy clue.

Biometrics [Word – 21.5 KB],  Footprints  [Word – 26 KB]