Show:
sound
sound ll
Light
Light II
Light and sound
100

The decibel is used to measure a sound's 

A. Pitch

B. Frequency

B. Frequency

100

Collects and channels sound waves into the ear

A. Outer ear function

B. Cochlea

A. Outer ear function

100

Light travels in _____ waves.

A. transverse 

B. Electromagnetic

B. Electromagnetic

100

Electromagnetic wave with the smallest wavelength and the highest frequency  

A. gamma ray waves

B. Microwaves

A. gamma ray waves

100

Light travels through a vacuum at a speed of about 300,000 km/s in what matter.

A. Vacuum

B. Air

A. Vacuum

200

A loud sound is produced by a sound wave with a ___ amplitude.

A. Low 

B. High


B. High

200

Hammer, anvil, stirrup

A.Outer ear function

B. Middle ear bone

B. Middle ear bone

200

Color depends on the ____ of visible light.

A. Speed 

B. wavelength

B. wavelength

200

Waves used by cell phones 

A. ultraviolet wave

B. Microwaves

B. Microwaves

200

light waves travel fastest in _____.

A. gases

B. Solids

A. gases

300

A sound wave are produce by ____ in matter. 

A. Echoes 

B. Vibrations

B. Vibrations

300

amplifies sound 


A. Cholea 

B. Middle ear function


B. Middle ear function

300

when you see an object that is not a light source, you are seeing light waves _____ by the object. 

A. Reflected

B. Refracted

A. Reflected

300

Electromagnetic wave that are responsible for the colors we see 

A. Ultraviolet waves

B. Visible light waves

B. Visible light waves

300

A _____ system locates underwater objects  by sending out sound waves.

A. echo

b. sonar

b. sonar

400

A sound wave is a series of compressions and 

A. Echoes

B. Rarefractions


B. Rarefractions

400

Converts vibrations to nerve signals 

A. Cochlea

B. Middle ear function

A. Cochlea

400

If a material allows most light that strikes it  to pass through but forms a blurry image, then the material is 

A. Opaque

B. Translucent

B. Translucent

400
waves with a short wavelength that can cause sunburn

A. Ultraviolet waves

B. Gamma ray waves

A. Ultraviolet waves

400

Sound waves travel slowest in _____. 

A. liquids 

B. Gases

B. Gases

500

A sound wave with a greater frequency have a higher

A. pitch

B. Amplitude

A. pitch

500

membrane that picks up vibrations from the ear canal 

A. Middle ear 

B. Eardrum

B. Eardrum

500

The change in direction of light waves when they pass from one material to another is 

a.refraction

B. absorption

a.refraction

500

Sound waves are longitudinal waves, and light waves are _______ waves

A. Electromagnetic

B. Gammas ray waves

A. Electromagnetic

500

Sound waves travel faster through 

A. solids

b. Liquids

A. solids