Sound Tech

Sound is recorded as a digital file in a computer and can be stored in large amounts.

What is echolocation?

• A method of using sound echoes to locate objects

• A type of communication between animals

• A form of visual navigation

• A method of using smell to find food

What technology is used by animals to locate food or determine the environment?

• Sonar

• Radar

• GPS

• Infrared

Ultrasound procedures use high-frequency sounds to produce images of the inside of a person’s body.

Telephones change ___ into electrical signals and can transmit them over long distances.

What technology allows humans to use echolocation?

• Radar systems

• GPS technology

• Sonar systems

• Satellite communication

What is sound?

• Energy caused by vibrations

• Light caused by vibrations

• Heat caused by vibrations

• Electricity caused by vibrations