multilingual: German for Drinks

Me again. I wondered what the words in German for 'tea' 'coffee' and 'hot chocolate/cocoa' are and what kids drink most in the morning if they have a hot drink with their food. If they can't have coffee yet because it's felt that they're too young, what's a realistic age to allow them to have it? My MC's a big coffee drinker so I'm curious. =P

Edit: Added a question about phones and university graduation age to confirm some earlier information.

Source: http://multilingual.livejournal.com/189908.html

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