Question

Identify two different objects that transform chemical energy into mechanical energy, and chose one object in the room and describe the energy transformation that occurs.

Answer 1

~Shooting off fireworks, igniting that bottle rocket converts the fuel inside into an exhaust gas which propels the rocket.

~Automobiles, trains, planes all have combustion engines.

Step-by-step explanation:

An automobile engine converts the chemical energy stored in the gasoline into the mechanical energy that turns the wheels. Chemical energy is usually converted into thermal energy through combustion, and that heat used to move a piston or spin a turbine

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Answer 2

See the explanation below.

Step-by-step explanation:

An example of chemical to mechanical energy is that of a battery for a toy car, the chemical energy of the battery is used to produce movement of the toy car.

And another example is the coal, its energy is used for water heating and steam generation to move a turbine (make the turbine turn).

If in my room I take a book that is on top of a shelf, its energy changes from potential to kinetic energy as I move it with my hand and decreased the height of the book relative to its initial value.