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Which of the following devices is designed to change mechanical energy to sound energy?
sound energy
Light
Electrical
Electrical energy changing to light energy.
Guitar
Walking across a field
Mechanical to electrical
Electrical
Which of the following describes an example of the use of mechanical energy by humans?
sound energy
Light
Electrical
Electrical energy changing to light energy.
Guitar
Walking across a field
Mechanical to electrical
Electrical
A lamp is plugged into an outlet, when the lamp is turned on and the bulb is lit, the circuit demonstrates which of the following?
sound energy
Light
Electrical
Electrical energy changing to light energy.
Guitar
Walking across a field
Mechanical to electrical
Electrical
When the switch is closed in a circuit, the bulb will glow. This is because the battery sends what kind of energy through the wire
sound energy
Light
Electrical
Electrical energy changing to light energy.
Guitar
Walking across a field
Mechanical to electrical
Electrical
Turning the handle of a generator causes the bulb to light up. This device changes what type of energy into what other type?
sound energy
Light
Electrical
Electrical energy changing to light energy.
Guitar
Walking across a field
Mechanical to electrical
Electrical
A musical instrument produces waves that travel through the air and can be detected by our senses. The energy of these waves is an example of –
sound energy
Light
Electrical
Electrical energy changing to light energy.
Guitar
Walking across a field
Mechanical to electrical
Electrical
Which of the following forms of energy is used to power a computer?
sound energy
Light
Electrical
Electrical energy changing to light energy.
Guitar
Walking across a field
Mechanical to electrical
Electrical
Plants make their own food using what kind of energy from the Sun?
sound energy
Light
Electrical
Electrical energy changing to light energy.
Guitar
Walking across a field
Mechanical to electrical
Electrical
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