Sound & Electricity Quiz

What is the unit of frequency?

• Hertz

• Decibel

• Newton

• Joule

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DOK Level 1: Recall

Which of the following materials is a good conductor of electricity?

• Rubber

• Glass

• Copper

• Wood

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DOK Level 1: Recall

What is the term for the number of waves that pass a point in one second?

• Amplitude

• Wavelength

• Frequency

• Pitch

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DOK Level 1: Recall

In a series circuit, if one bulb goes out, what happens to the other bulbs?

• They get brighter

• They go out

• They stay the same

• They flicker

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DOK Level 1: Recall

What is the phenomenon called when sound waves bounce back after hitting a surface?

• Refraction

• Diffraction

• Echo

• Absorption

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DOK Level 1: Recall

Which of the following is an example of an insulator?

• Silver

• Aluminum

• Plastic

• Iron

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DOK Level 1: Recall

How does increasing the frequency of a sound wave affect its pitch?

• Increases the pitch

• Decreases the pitch

• No effect on pitch

• Changes the amplitude

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DOK Level 2: Skill/Concept

What is the relationship between wavelength and frequency in a sound wave?

• Directly proportional

• Inversely proportional

• No relationship

• Exponentially proportional

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DOK Level 2: Skill/Concept

What is the main difference between series and parallel circuits?

• Series circuits have one path for current; parallel circuits have multiple paths

• Series circuits have multiple paths for current; parallel circuits have one path

• Series circuits use more power; parallel circuits use less power

• Series circuits are safer; parallel circuits are not

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DOK Level 2: Skill/Concept

What is the effect of increasing the amplitude of a sound wave?

• Increases the pitch

• Decreases the pitch

• Increases the loudness

• Decreases the loudness

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DOK Level 2: Skill/Concept