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Downs, Nathan; Parisi, Alfio; Powell, Samantha; Turner, Joanna; Brennan, Chris – Teaching Science, 2010
A technique has previously been described for secondary school-aged children to make ultraviolet (UV) dosimeters from highlighter pen ink drawn onto strips of paper. This technique required digital comparison of exposed ink paper strips with unexposed ink paper strips to determine a simple calibration function relating the degree of ink fading to…
Descriptors: Academic Achievement, Secondary Schools, Elementary Schools, Comparative Analysis