SOUND
What is the part of the ear that has three bones that amplify a sound wave?
Middle Ear
What is the study of sound called?
Acoustics
Are convex mirrors real or virtual?
Virtual
What is a concave mirror?
A mirror with a curved reflecting surface.
What uses mirrors and lenses to gather more light from far away objects than the eye can see?
Telescopes
What is the human perception of sound intensity?
Loudness
What is the hollow chamber that amplifies sound when air inside vibrates?
Resonators
Are concave mirrors real or virtual?
Real
What is a convex mirror?
A curved mirror in which the reflective surface bulges toward the light source.
What uses two convex lenses with short focal lengths to magnify small, close objects?
Microscopes
The speed of sound is dependent on this :
Temperature
The use of underwater sound waves to detect objects is known as?
Sonar
What is regular reflection?
Reflection off a smooth surface
Is a convex lens upright or upside down?
Upside down.
What gathers and bends light with a lens to form an image on light-sensitive film?
Cameras
What are sounds with frequencies too low for human hearing?
Decibels
Sound deliberately set in a pattern is known as?
Music
What is diffuse reflection?
Reflection off a rough surface (ex. a rock)
Is a concave lens upside down or upright?
Upright
What is the inner lining of the eye that converts light into electrical signals that the brain interprets?
Retina
What is the area of sound where particles are squeezed together?
Compressions
High frequency sound waves used in medicine is known as ?
Ultrasound
Describe a plain mirror.
Flat, upright, reflective, & virtual.
What is a lens?
A transparent material with a curved surface that reflects light.
Where does the light enter the eye?
Cornea