Nathaly ! You never let me off easy, do you.
This is 11 separate questions. For 5 points ! ! !
I have work to do. So instead of lecturing you on how you need
to be doing your own work, I'll just run through some answers.
That's a lot easier and faster.
Mechanical -- heat . . . rub your hands together to warm them up
Mechanical -- light . . . I can't think of one
Mechanical -- sound . . . playing drums by hitting them with sticks
Chemical -- electrical . . . a battery
Chemical -- heat . . . a gas burner on the stove
Chemical -- light . . . a candle or a match
Chemical -- sound . . . a dynamite explosion
Electrical -- Electrical . . . the battery inside your cellphone
Electrical -- heat . . . a clothes drier or blow drier
Electrical -- light . . . a light bulb
Electrical -- sound . . . mp3 player; radio; thunder