Astronomy UV beads Solar Beads Lab Help Stop Skin Cancer Middle School Science - Classful
Por um escritor misterioso
Descrição
Need an engaging activity to investigate UV radiation and its effect on your students
Learn about the presence of ultraviolet light with the amazing color-changing bead set from Steve Spangler Science. Just because we can’t see
UV Color-Changing Beads
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por adulto (o preço varia de acordo com o tamanho do grupo)
