In Hoopla 4: Daring Dinosaurs, we’re thinking about adapting! Find out about how dinosaurs, animals and humans change to fit their surroundings.

In Sweden, some people decided to make a bin that makes a noise when you throw something in! You can see a video of it here:

Did adding sound to the bin work?

Were there any other reasons why people started putting more rubbish in this bin?

Can adapting be a good thing?

A change in the environment (the new type of bin) caused people to adapt by modifying their behaviour. The reward of hearing a fun sound seemed to encourage them to put in more rubbish – 72 kg in one day, which was much more than normal.

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