1. To understand that recycling is not the only or best way in which we can move towards a more sustainable future. 2. To understand that we need to rethink the way in which we engineer and manufacture if we are not going to run out of some material and energy resources.
Description of activity
ivide the class into small groups. Give each group a set of the 6Rs and definitions activity sheet (overleaf) and a pair of scissors so that they can cut up. You may want to give each group some pictures that illustrate the 6Rs in practice. To find examples of such products go to http:// practicalaction.org/education/ sustainable_design_technology which lists companies recognised for their good sustainability record. Ask them to work together to decide which definition fits which word and, if using the pictures, which product illustrates which R (some fit more than one definition). Ask each group to report back to check they have the correct definitions.
Then ask them to look at the definitions carefully again and rank each of the Rs in terms of which contributes most and which least to making the world a more sustainable place. Rank them using any appropriate system.
1. Students will be able to show how engineering decisions can contribute to making the world a more sustainable place. 2. Students can understand and explain how decisions made during the engineering process can have negative and positive results.
1. Creative thinkers – students will be encouraged to think about less conventional ways of engineering that might have less environmental impacts. 2. Reflective learners – students will reflect on conventional ideas about the value of recycling.
Reprocess a material or product and make something else When a product breaks down or doesn’t work properly, try to fix it. Do we make too many products? Design in a way that considers people and the environment. Cut down the amount of material and energy you use as much as you can. Don’t use a material or buy a product if you don’t need it or if it’s bad for people or the environment
REPAIR REDUCE REFUSE
Use a product to make something else with all or parts of it.
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