Posts Tagged ‘STEM activity’

Mechanical hand out of cardboard.

Mechanical Hand Made of Cardboard

CC-BY, Unsplash Introduction This educational activity was carried out during the skills workshops, in the context of the natural science lesson as well as in the IT lesson. It took 6 teaching hours and 34 students of the fifth grade of the primary school participated. The theme is related...

Fluorescent_Chlorophyll_STEM activity

Fluorescent Properties of Chlorophyll Pigment

SUMMARY: Chlorophyll pigment initiates photosynthesis by absorbing light energy. Chlorophyll pigment cannot photosynthesize in green wavelength. The best wavelength of photosynthesis is the purple and red-light wavelength. The fluorescent phenomenon is the reflection of rays falling on some special compounds at different wavelengths. This STEM activity was conducted with 14-year-old...