Light and Sound

Front

What is pitch?

Back

Pitch is the perceived frequency of a sound, determining how high or low it sounds.

Front

How is pitch measured?

Back

Pitch is measured in Hertz (Hz), which indicates the number of vibrations per second.

Front

What is a sound wave?

Back

A sound wave is a longitudinal wave that is created by vibrating objects and travels through a medium such as air, water, or solids.

Front

What is the difference between amplitude and volume?

Back

Amplitude refers to the height of the wave, while volume is the perceived loudness of the sound.

Front

What is vibration?

Back

Vibration is the rapid back-and-forth movement of an object, which produces sound.

Front

What is an echo?

Back

An echo is a reflection of sound that arrives at the listener after a delay.

Front

What is the speed of sound in air?

Back

The speed of sound in air at room temperature is approximately 343 meters per second.

Front

What is light?

Back

Light is a form of electromagnetic radiation that is visible to the human eye.

Front

How does light travel?

Back

Light travels in straight lines as transverse waves.

Front

What is a medium in the context of sound?

Back

A medium is a substance through which sound waves can travel, such as air, water, or solids.