Forms of Energy 4.6

Many common devices use this form of energy.

All the devices that use a plug and socket like this are using what kind of energy?

• Thermal

• Light

• Sound

• Electrical

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Which of the following uses electrical energy to produce light and sound?

• Lamp

• Candle

• Flashlight

• Television

People might use a lamp to help them see, but in many cases, the bulb gets quite warm. The two forms of energy being produced by the lamp are–

• light and thermal energy

• light and mechanical energy

• thermal and mechanical energy

• mechanical and electrical energy

Students in a science class were lighting bulbs by attaching them to batteries with wires. What form of energy were they exploring?

• Mechanical

• Electrical

• Thermal

• Sound

Which form of energy is transmitted by vibrations in the air?

• Electrical

• Mechanical

• Sound

• Thermal

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Water flowing down this mill demonstrating what form of energy?

• Mechanical

• Light

• Electrical

• Thermal

Which of the following devices requires electrical energy to produce light and sound energy?

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All of the following produce thermal energy EXCEPT–AOvenBCandleCTelephoneDHot plate

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The table below shows the average monthly use of electricity of several common household appliances.

Looking only at appliances that produce mechanical energy, which one uses the most electricity?

• Toaster

• Television

• Ceiling Fan

• Washing Machine

Which two forms of energy does Earth receive directly from the Sun?

• Light and sound

• Light and thermal

• Electrical and light

• Mechanical and thermal