Front

What is sound?

Back

Sound is a type of energy made by vibrations. It travels through air, water, or solids.

Front

What is vibration?

Back

Vibration is a rapid back-and-forth movement of an object, which creates sound.

Front

What is the relationship between vibration speed and sound pitch?

Back

Faster vibrations produce higher pitches, while slower vibrations produce lower pitches.

Front

What is light?

Back

Light is a form of energy that travels in waves and can be seen by the human eye.

Front

What is the difference between transparent, translucent, and opaque materials?

Back

Transparent materials allow light to pass through clearly, translucent materials allow some light but not detailed images, and opaque materials do not allow light to pass through.

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive peaks of a wave. It determines the color of light and the pitch of sound.

Front

What is sonar?

Back

Sonar is a technology that uses sound waves to detect and locate objects underwater.

Front

What are light waves?

Back

Light waves are electromagnetic waves that can travel through a vacuum and do not require a medium.

Front

What is the speed of sound in air?

Back

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

Front

What is an example of a translucent object?

Back

Sunglasses lenses are an example of a translucent object.