Worksheets5th Grade Light Test
Total questions: 55
Worksheet time: 28mins
Which of the above waves has the longest wavelength?
Wave #1
Wave #2
Wave #3
Wave #4
Which number on the diagram shows the wavelength?
1
2
3
4
A person will see a flash of lightning before they hear the thunder that goes with it because —
the eye is quicker than the ear
the thunder occurs much later than the lightning
sound travels faster through the atmosphere than light
light travels faster through the atmosphere than sound
Which diagram shows a
wave with the highest
frequency?
A
B
C
D
Which of these does not emit light waves?
A camfire
A light bulb
The Sun
The Moon
By passing white light through a prism, you can tell —
that white light is actually a mixture of different colors
the mass of the prism
the original source of the light
that blue light is brighter than white light
Which of the following is the best observation of the refraction of light?
Looking at oneself in a mirror.
Looking at the shadow of an object.
Viewing an object through an open window.
Viewing an object partially in water.
Roger Bacon is credited for developing the magnifying glass. His understanding of which of these was most useful for this development?
Light
Sound
Gravity
Electricity
Which explains why the fork looks different under water?
Light is refracted at an angle.
The wavelength of light lengthens.
Light cannot pass through the glass.
The amount of light increases when going through water.
Students place a pencil in a glass of water as shown. The pencil in the water looks broken because —
water can dissolve pencils
water is colder than air.
light bends when it enters water
light is absorbed when it hits the glass.
The flower’s stem appears larger under water because the water—
absorbs light
produces light
repels light
refracts light
A periscope works by the reflection of mirrors. Tama made several periscopes for watching baby birds in a nest. Which periscope will work?
A
B
C
D
When light hits an object, the rays can pass through it, bounce off it, or be absorbed by it. Light rays that bounce back are —
radiant
reflected
refracted
radar
Which of the following materials is transparent?
clear window glass
your eyelids
solid wood door
white paper
Which of these objects is opaque?
A brick wall
eyeglass lenses
liquid water
stained glass windows
Which of these objects is translucent?
A student's notebook
A mirror on the bus
A brick wall of the school
A student's sunglass lenses.
Which part of an automobile is transparent?
Door handle
side mirror
hubcap
windshield
Which of these correctly shows how light acts when it
hits a mirror?
A
B
C
D
Two flashlights are turned on. The light rays they create are shown in the diagram. These light rays best illustrate that —
both rays are reflected
both rays are refracted
Ray 1 is reflected and Ray 2 is refracted
Ray 1 is refracted and Ray 2 is reflected
Which object helps people understand what makes up white light?
Barometer
Prisim
Microscope
Thermometer
A shiny aluminum screen can be placed on the windshield of a parked car. This screen helps to keep the car cool because it —
reflect the sunlight
absorbs heat
causes evaporation
conducts electricity
Which of the following would reflect rather than refract light?
Magnifying glass
mirror
prisim
lens
The picture shows a study that Isaac Newton made with a prism to produce a spectrum. Newton’s discovery led most directly to an understanding of the cause of —
x-rays
spots
rainbows
starlight
Which tool is used to separate white light into the color
spectrum?
A
B
C
D
True or False: Light has properties of both waves and particles.
True
False
True or False: It takes 24 hours for a ray of light to travel from the Sun to the Earth, a distance of 90 million miles.
True
False
True or False: Light travels faster than sound.
True
False
True or False: Unlike sound, light can travel only in straight lines.
True
False
Click on the wave with a longer wavelength.
Click on the wave with the higher frequency.
Click on the wave with the most energy.
Each color of visible light has a different _______.
wavelength
ray
energy
Light waves are waves of-
empty space
energy
rays
A group of parallel rays is
a beam
wavelenght
energy
A straight line that represents a path of light-
beam
wavelength
ray
Light travels best through this medium-
water
an empty space
a filled room
The time it takes for sunlight to reach the earth.
24 hours
about 8 1/2 minutes
20 seconds
It contains the entire electromagnetic spectrum-
waveleghth
the sun
rays
Waves with shorter wavelengths have higher________.
rays
frequncies
spectrums
Very high energy waves-
gamma
rays
spectrum
Low energy (low frequency) waves-
radio
gamma
ray
"C" is the-
wavelength
trough
crest
ROY G BIV is a common expression for the-
Speed of light
colors of the visible spectrum
colors of the invisible spectrum
The light from the bulb.
A
B
C
D
A glass door is-
opaque
incandescent
translucent
transparent
A wooden door is-
transparent
opaque
incandescent
translucent
Which of the following bends light rays?
an electric charge
a nuclear reaction
a strong magnetic field
a lens
A red rose is red because it ____red light.
captures
reflects
loves
absorbs
"A" is the
crest
wavelenght
trough
"B" is the-
Crest
wavelength
trough
Why do you create a shadow when you stand in sunlight?
Light turns black when it travels through you.
Light bends around you
Light travels in straight lines.
Which travels best through dense material?
Sound
Light
Which does not need a medium (substance) to travel through? (It can travel best through empty space)
Light
Sound
The sketch shows the-
refraction of light
reflection of light
transmission of light
absorption of light
The wavelength is:
the distance from crest to crest as shown in "C"
the distance from crest to trough or "A" to "B"
