Anyone been to Tenerife?

I would like like to know wot this place is like 4 a single mum with two kids aged 13 & 11 but not in2 water parks but v interested in wildlife parks,hotels,currency,if things r expensive or not ,food any info welcome.many long flight from manchester airport?
Update: I would like 2 thank everybody 4 the answers u have given me sounds great next year 4 us as we have a holiday booked 4 this year,many thanks.
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