Real-life chemistry (and biology) lesson

Big Sis and Lil Sis have had a fantastic time today carrying out research into the operation of our emergency powdered oxygen. Not only are they both now pros in using the oxygen set (hooray, Mr Finn and I will have great nurses at hand should we need them!), but Big Sis also now understands how the chemical reaction works to create oxygen and how oxygen helps if a person is in shock.

 

 

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