Uses Of Energy Question Preview (ID: 36836)


5.6A.

Which of the following forms of energy is used to power a computer?
a) Heat
b) Sound
c) Light
d) Electrical

Campfires are sometimes used to cook food. Which type of energy from the campfire cooks the food?
a) Light
b) Sound
c) Thermal
d) Electrical

Which of the following devices is designed to change mechanical energy to sound energy?
a) Guitar
b) Candle
c) Battery
d) Flashlight

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?
a) Sound energy changing to light energy
b) Electrical energy changing to light energy
c) Electrical energy producing mechanical energy
d) Light energy producing sound and heat energy

A hand generator can light a light bulb. Turning the handle of the generator causes the bulb to light up. This device changes what type of energy into what other type?
a) Mechanical to electrical
b) Electrical to sound
c) Thermal to mechanical
d) Light to thermal

A lamp uses electrical energy to produce what two other kinds of energy?
a) Mechanical and sound
b) Heat and mechanical
c) Heat and mechanical
d) Heat and light

Which form of energy allows us to see our reflection in a mirror?
a) Electircal
b) Light
c) Thermal
d) Mechanical

Hot-air balloons rise when a burner, positioned under the opening of the balloon, uses propane to create a blast of fire. What form of energy causes a hot-air balloon to rise into the air?
a) Mechanical
b) Light
c) Thermal
d) Electrical

All of the following are examples demonstrating mechanical energy EXCEPT –
a) an oven cooking food
b) a fan blowing out air
c) a boy riding a bicycle
d) a girl writing with a pen

Headphones get electrical energy from the device to which they are attached. The headphones change this energy into what other kind of energy?
a) Sound
b) Light
c) Thermal
d) Mechanical

A lamp is plugged into the wall. What form of energy does the lamp use to produce light?
a) Electrical
b) Mechanical
c) Thermal
d) Sound

All of the following devices produce light energy EXCEPT –
a) laser pointers
b) air conditioners
c) fluorescent lamps
d) computer monitors

Which is an example of how humans use sound energy?
a) Provide energy for refrigerators
b) Communicate with other people
c) Used to produce electrical energy
d) Allows people to see around them

A student observed that sugar in hot water dissolved more quickly than in cold water. The student was investigating the effects of what form of energy?
a) Sound
b) Thermal
c) Electrical
d) Mechanical

A wind up frog is a toy. If a child winds the handle, the toy frog flips over. This toy demonstrates what kind of energy?
a) Light
b) Thermal
c) Electircal
d) Mechanical

Food and batteries are examples of -
a) Light energy
b) Electrical energy
c) Chemical energy
d) Mechanical energy

Energy produced by vibration
a) Light
b) Electrical
c) Sound
d) Mechanical

Energy produced from moving electrons
a) Light
b) Sound
c) Electrical
d) Thermal

Energy produced by moving particles (heat energy)
a) Sound
b) Electrical
c) Thermal
d) Light

Energy that can be detected by sight
a) Sound
b) Light
c) Thermal
d) Electrical

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