Vocabulary
Light
Sound
Light Waves
Sound Waves
100

sound is a form of __________________ energy. 


thermal

mechanical

radiant

chemical

mechanical

100

light goes THROUGH a window because it is 


transparent

opaque

transparent

100

Sound travels fastest through a __________


gas

liquid

solid

solid

100

light waves are _______________________ waves


compression

transverse

wavelength

transverse

100

sound waves are _______________________ waves


compression

transverse

wavelength

compression

200

Vibrating matter produces ___________________


atoms 

sound

light

sound

200

some light can pass through a tissue, this is because the tissue is __________________


transparent

translucent

translucent

200

Sound travels slowest through a __________


gas

liquid

solid

gas

200

light waves can not pass through a brick wall. the brick wall is _____________


opaque

translucent

opaque

200

sound waves are a type of __________________ energy


thermal

mechanical

mechanical

300

light is a form of ____________________ energy


mechanical

radiant

transverse

chemical

radiant

300

What is the BOTTOM of a light wave called?


trough

crest

wavelength

transverse

trough

300

why do whales use echolocation? 



It makes it easier to obtain oxygen.

It makes the water warmer.

It signals fish to move out of the whale’s path.

It helps the whale locate food.

it helps the whale locate food

300

what tool separates white light into a rainbow


scale

microscope

prism

prism

300

the _________________ the pitch, the lower frequency and longer wavelength


lower

400

the measurement from crest to crest in a light wave or compression to compression in a sound wave is called the 


mechanical

transverse

wavelength

mass


wavelength

400

What is the TOP of a light wave called?


trough

crest

wavelength

transverse

crest

400

an object vibrating rapidly will have a ____________ compared to an object vibrating more slowly


higher pitch

louder sound

lower pitch

softer sound

higher pitch

400

when a black shirt or a paved road absorbs light, this energy transformation occurs ___________


radiant energy → electrical energy

radiant energy → thermal (heat) energy

radiant energy → mechanical energy

radiant energy → sound energy

radiant energy → thermal (heat) energy

400

the _________________ the pitch, the higher frequency and shorter wavelength



higher

500

the BENDING of light is called __________


reflection

refraction

transparency

absorption

refraction

500

What color light wave has the shortest wavelength and highest frequency?


red 

yellow

green

purple

purple

500

sound travels the slowest through air because the particles in a gas are


moving slowly

close together

far apart

not moving

far apart

500

the reason you see yourself in a lake is because...


the water becomes translucent

the water becomes opaque

the water reflects your face

the water refracts your face

the water reflects your face

500

sound waves are called ___________________ waves

compression