Light
Sound waves
Human ear
Sonar technology
100
What lenses make light bend away?
Concave
100
What has low pitch?
Low frequency
100
What passes vibrations to the cochlea?
The auditory bones
100
What is a technique that uses sound propagation for terms of communication and navigation?
Sonar technology
200
What lenses make light bend in?
Convex
200
What can show sound waves on a screen when connected to a microphone?
An oscilloscope
200
What is a medical instrument to help listen or hear?
Stethoscope
200
What is something that relies on sonar to a greater extent than surface ships as they cannot use radar at depth?
Submarines
300
What can change when light travels through objects?
Speed
300
What is made of waves of vibrations passing through a medium?
Sound
300
What are devices that amplify sound for the ear?
Hearing aids
300
What is the science of using sound to determine the distance or direction of something?
Acoustic location
400
What is light that speeds up or slows down in different mediums?
Refraction
400
What is an oscillating sound pressure wave with a frequency greater that the upper limit of the human hearing range?
Ultrasound
400
What is the loudness of sound measured by?
Decibels
400
What are reflected back from any solid object they reach?
Sound waves
500
What is a range of electromagnetic radiation?
Light
500
What is collected by the ear lobe?
Sound waves
500
What are less sensitive to air pressure waves?
Torn ear drums
500
What are used primarily to detect noise from marine objects (such as submarines or ships) and marine animals like whales
Passive sonars
M
e
n
u