In this activity, see how ink of a specific colour is actually composed of many different colour pigments! By using chromatography techniques, the hidden colours will come to light.
Actua is a leading Canadian science, technology, engineering and mathematics (STEM) youth outreach organization. Each year, the Actua network engages over 375,000 youth in 600 communities across Canada in transformative STEM learning experiences that build critical skills and confidence. Please visit www.actua.ca.