String Telephone Post Lab Questions

When you speak into a string telephone, what type of energy transformation occurs?

• a) Mechanical to electrical

• b) Sound to mechanical

• c) Electrical to sound

• d) Thermal to sound

What is the primary form of energy that travels through the string in a string telephone?

• a) Light energy

• b) Sound energy

• c) Electrical energy

• d) Gravitational energy

When you tighten the string on a string telephone, what energy transformation is taking place?

• a) Potential energy to kinetic energy

• b) Electrical energy to sound energy

• c) Sound energy to electrical energy

• d) Thermal energy to mechanical energy

In a string telephone, why does the sound travel from one cup to the other cup?

• a) The cups amplify the sound.

• b) The string converts sound into electrical signals.

• c) The string carries mechanical vibrations that transmit sound.

• d) The cups generate sound waves.

If you increase the tension in the string of a string telephone, what effect does it have on the sound quality?

• a) Sound quality improves.

• b) Sound quality remains the same.

• c) Sound quality deteriorates.

• d) Sound quality becomes unpredictable.

Which of the following best describes the role of the cups in a string telephone's energy transformation?

• a) The cups create electrical signals.

• b) The cups convert sound into light energy.

• c) The cups amplify and direct sound energy.

• d) The cups generate heat energy.

When you talk into a string telephone, which form of energy is primarily responsible for carrying the message to the other end?

• a) sound energy

• b) Thermal energy

• c) Mechanical energy

• d) Chemical energy

What happens to the sound energy in a string telephone if you introduce a knot in the string?

• a) Sound energy is amplified.

• b) Sound energy is converted into electrical energy.

• c) Sound energy is absorbed and reduced.

• d) Sound energy is converted into light energy.

When you listen to a string telephone, the sound you hear at the other end of the string is a result of:

• a) Electrical signals sent through the string.

• b) Sound waves traveling through the air.

• c) The string vibrating due to thermal energy.

• d) Gravitational energy transforming into sound.

If you were to use a longer string on a string telephone, what effect would it have on the transmission of sound?

• a) The sound would be transmitted faster.

• b) The sound quality would improve.

• c) The sound may become fainter due to energy loss.

• d) The string length has no effect on sound transmission.