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Answer:

26. Burning Paper =

Chemical > Thermal and Light

• In burning paper it produces chemical energy, we can transform it to thermal and light energy.

27. Electric Fan =

Electrical > Mechanical (Kinetic)

• The electrical energy from the electric fan transforms it to mechanical (kinetic) energy as the electric fan is spinning.

28. Electric Stove =

Thermal > Electrical

• Thermal Energy from a electric stove transforms it into electrical energy.

29. Tambourine =

Sound > Electrical

• A tambourine produces sound energy then it transforms it to electrical energy.

30. Keyboard =

Mechanical > Sound

• A keyboard produces mechanical (kinetic) energy then transforms it to sound energy.