Chapter Thirteen, Lesson Five: Using Sound

Question 1

echolocation

Answer 1

Echolocation is the use of reflected sound waves to determine distances or to locate objects. Some animals, including bats and dolphins, use echolocation to navigate and find food.

Question 2

ultrasound

Answer 2

Sound waves with frequencies above the normal human range of hearing are called ultrasound.

Question 3

sonar

Answer 3

A system that uses reflected sound waves to detect and locate objects under water is called sonar.

Question 4

sonogram

Answer 4

An ultrasound imaging device uses reflected waves to create a picture called a sonogram.