The aim of this activity is to realized that plastics has a number printed, normally at the bottom. Students already know that the number are from 1 to 7 by thanks to this workshop they will realized which are the most common types as well as the most common use for each.
Furthermore, they perfomed a simple experiment to take conclusions about density, taking the density of water as reference.
Worsksheet types of plastics identification and density measurement
Looking for the number printed at the bottom
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Testing density |
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