- What is considered to be a wiggle in time?
Your answer:
a sound
a vibration
a rainbow
light
- What term means to extend or transmit through space?
Your answer:
fly
sojourn
illuminate
propagate
- What is the propagation of vibrations through a material medium such as a solid, liquid or gas?
Your answer:
oxygen
sound
light
nitrogen
- What is a vibration of pure energy?
Your answer:
oxgen
nitrogen
sound
light
- Who demonstrated the existence of radio waves in 1886?
Your answer:
Max Plank
Heinrich Hertz
Ernst Mach
Neils Bohr
- What frequency of measurement is used to measure FM radio waves?
Your answer:
rarefactions
kilohertz
reflections
megahertz
- What frequency of measurement is used to measure AM radio waves?
Your answer:
megahertz
reflections
kilohertz
rarefactions
- What is right angled or sideway motion called?
Your answer:
shock
transverse
seismic
longitudinal
- What kind of wave is produced by pushing and pulling a slinky?
Your answer:
shock
longitudinal
transverse
radioactive
- What kind of waves are sound waves?
Your answer:
transverse
shock
radioactive
longitudinal
- What occurs in between successive compressions of a longitudinal wave and creates a stretched region?
Your answer:
reflections
rarefactions
absorptions
reverberations
- What are sound waves having frequencies below 20 hertz?
Your answer:
rarefactions
infrasonic
ultrasonic
reflections
- What are sound waves having frequencies above 20,000 hertz?
Your answer:
reflections
ultrasonic
rarefactions
infrasonic
- Who can not hear very low frequencies or very high frequencies?
Your answer:
humans
coyotes
dogs
wolves
- What travels faster through warm air than in cold air?
Your answer:
sound
airplanes
light
radiation
- What is the reflection of sound called?
Your answer:
an echo
a wave
a siren
music
- What are multiple reflections of sound called?
Your answer:
reverberations
echos
waves
music
- What happens to sound waves in air of uneven temperature?
Your answer:
nothing
they break up
they bend
they stretch
- What animal emits ultrahigh frequency sound to locate and identify objects in it’s environment?
Your answer:
wild boar
dolphin
shark
bush dog
- What happens to sound when a mirror image of a sound signal combines with original sound?
Your answer:
nothing
it softens
it gets louder
it's cancelled
- What happens to the pitch or frequency of sound when the sound source moves toward you?
Your answer:
silence
it increases
nothing
it decreases
- What originates from the accelerated motion of electrons?
Your answer:
waves
sound
transmutation
light
- What color does the lowest frequency of light appear to be with human eyes?
Your answer:
red
yellow
green
blue
- What kind of high frequency waves cause sunburn?
Your answer:
infrasonic
ultraviolet
photoelectric
ultrasonic
- What is transparent to all the frequencies of visible light?
Your answer:
cardboard
water
glass
metals
- What kinds of items absorb light without reemitting it?
Your answer:
opaque
large
transparent
small
- Why can you get sunburn on a cloudy day?
Your answer:
clouds are transparent to ultraviolet light
clouds are semitransparent to ultraviolet light
you can't get sunburned on a cloudy day
clouds are opaque to ultraviolet light
- What occurs more on a wet surface than on a dry surface?
Your answer:
absorption
reflection
vibration
transmutation
- What do radio waves and light waves have in common?
Your answer:
they both have the same frequency
they are both mechanical vibrations of matter
they are both sound waves
they are both electromagnetic waves
- What is considered to be a low frequency light wave?
Your answer:
a mechanical wave
a sound wave
a radio wave
a forced vibration
- What color is a material that absorbs all the light that shines on it and does not reflect any light back?
Your answer:
white
yellow
black
blue
- What tiny antennae in our eyes perceive color?
Your answer:
foveas
cones
rods
lenses
- What color of light do all the colors of light combined make?
Your answer:
white
dark blue
gray
black
- How many cones are found in the human eye?
Your answer:
1
2
3
4
- What three colors of light are called the additive primary colors?
Your answer:
red, green and blue
yellow, bule and green
red, yellow and green
yellow, blue and red
- What kind of radio waves do not bend very well around buildings, explaining poor radio reception?
Your answer:
FM
GM
AM
PM
- What happens to light when it is remitted in all directions?
Your answer:
it's scattered
it appears blue
it has no color
it's condensed
- What kind of clear days produce a much deeper blue sky?
Your answer:
cold
rainy
humid
dry
- What color light from the sunlight is most scattered by the nitrogen and oxygen molecules in the atmosphere?
Your answer:
pink
gray
deep blue
violet
- What color does the sky become when the particles have been washed away by a heavy storm?
Your answer:
pink
violet
deep blue
gray
- What time of day does sunlight travel through the least amount of atmosphere to reach the Earth’s surface?
Your answer:
twilight
2 p.m.
noon
5 p.m.
- When does the lower frequency light survive to display its color?
Your answer:
high noon
twilight
dawn
sunset
- What is the term applied to materials through which light cannot pass?
Your answer:
opaque
interference
mirage
transparent
- What would be non existent if light traveled at the same speed in raindrops as it does in air?
Your answer:
lightning
color
rainbows
thunder clouds
- What kind of lens is thicker in the middle than at the edges?
Your answer:
converging
diverging
glass
plastic
- What kind of lens is thinner in the middle than at the edges?
Your answer:
converging
glass
plastic
diverging
- What part of the eye does light enter in through?
Your answer:
iris
retina
cornea
fovea
- What is a distortion in an image called?
Your answer:
astigmatism
aberration
an illusion
a mirage
- What is a defect that results when the outer surface of the eye is curved more in one direction than in another?
Your answer:
a mirage
aberration
astigmatism
an illusion
- What are particles of light?
Your answer:
molecules
electrons
quarks
photons