Або купіть у застосунку – тут є трекер читання і ще бага-а-ато цікавок ;)
Поділитись враженнями
Опис
Can you identify an unknown liquid or powder? What secrets become visible under a UV light? How do you analyse fingerprints, soil, ink, and handwriting samples? Assume the role of a forensic scientist to find out! Perform experiments on evidence in this large laboratory station using chemical and physical techniques. Analyse solids and liquids, make a fluorescent solution, inspect invisible ink, lift fingerprints, look for counterfeit bills, and examine ink using chromatography. The experiments are accompanied by exciting stories of make-believe mysteries and crimes to solve. Examine evidence in the laboratory. Conduct fascinating experiments. Discover hidden secrets with the UV flashlight, fingerprint powder, pH test strips and more.