Sound Unit Review

Front

What is sonar?

Back

Sonar is a method that uses sound waves to detect and locate objects underwater, often used by ships to map the ocean floor.

Front

How does sonar determine the depth of the ocean floor?

Back

Sonar determines depth by measuring how long it takes for sound waves to bounce back after hitting the ocean floor.

Front

What is ultrasound?

Back

Ultrasound is a technology that uses high-frequency sound waves to create images of internal body structures, commonly used in medical diagnostics.

Front

What is an example of a technological application of sound?

Back

Ultrasound machines that create images of organs and unborn babies are an example of a technological application of sound.

Front

What happens to sound in a vacuum?

Back

Sound cannot travel in a vacuum because there are no air molecules to carry the sound waves.

Front

What is the speed of sound in air compared to water?

Back

Sound travels faster in water than in air because water is denser than air.

Front

What conditions can lead to severe weather?

Back

High winds, heavy rain, and lightning are conditions that can lead to severe weather.

Front

What is the relationship between sound and vibrations?

Back

Sound is produced by vibrations that create pressure waves in a medium, such as air, water, or solids.

Front

What is the fastest medium for sound to travel through?

Back

Sound travels fastest through solids, such as a wooden plank, compared to liquids and gases.

Front

What is the role of air in sound transmission?

Back

Air acts as a medium for sound waves to travel, but sound travels slower in air than in water or solids.