Name: _________________________________________ Hour: ________ Date:_______________________
Light Quiz
Part I: Matching
Directions: Write the letter of the correct definition next to the term
1) ________light
a. tiny particle of moving light energy
2) ________amplitude
b. number of light waves that pass a certain point in given time
3) ________frequency
c. an object that transmits light, or allows light to pass through it
4) ________photon
d. the bending of light rays as they enter a new medium
5) ________opaque
e. the height of a wave
6) ________transparent
f. different frequencies of visible light; 7 in the spectrum
7) ________translucent
g. energy that can be seen and felt as heat
8) ________refraction
h. an object that reflects or absorbs all the light that strikes it
9) ________colors
i. type of wave that transfers electric and magnetic energy
10) ________electromagnetic
j. an object that lets some light waves pass through, but blocks
others
Part II: True or False
Directions: Write True or False on the line next to each statement
11) __________________ Light waves are disturbances created by the transfer of energy.
12)___________________ Light cannot travel in outer space because there is no medium.
13) __________________ The high point of a wave is known as the trough.
14) __________________ Frequency determines where a light wave appears on the
electromagnetic spectrum.
15) __________________ Visible light waves are on the end of the electromagnetic spectrum.
16) __________________ When all colors of visible light are combined, they produce black light.
17) __________________ A photon is a tiny particle of light that moves quickly.
18) __________________ A totally opaque material reflects some light waves and lets others \
pass through.
19) __________________ Refraction occurs when light rays bounce off an object.
20) __________________ When light hits something white, all colors are reflected.
Part III: Multiple Choice
Directions: Choose the choice that best answers the question.
21) Sunlight falls on black pavement making it hot. This is an example of:
a. absorption
b. reflection
c. refraction
22) Light rays hit a camera lens and bend. This is an example of:
a. absorption
b. reflection
c. refraction
23) Light falls on a mirror and bounces off. This is an example of:
a. absorption
b. reflection
c. refraction
24) Light waves are different from all other electromagnetic waves because they are:
a. Radioactive
b. visible
c. unable to travel without a medium
25) The frequency of a light wave determines where it falls on the:
a. Electromagnetic spectrum
b. photon
c. periodic table
26) Light can be divided into three primary:
a. Colors
b. spectrums
c. wavelengths
Part V: Fill in the Blank
Directions: Use the word bank to complete the sentences below. You will use each word ONE TIME.
WORD BANK:
crest
frequency
Refraction
translucent
wavelength
prism
primary
photon
transmitted
transverse
27) Light waves are arranged on the electromagnetic spectrum in order of
______________________________.
28) A material that allows some light to pass through, while others are absorbed, is known as
_________________________________.
29) The highest point of a light wave is called the _______________________________.
30) A ___________________________ is a little moving pack of light energy.
31) __________________________________ is the distance between two crests or two troughs
on a wave.
32) A _________________________ is a device that separates white light into individual colors.
33) _____________________________ is a principle used to make camera lenses and
magnifying glasses.
34) Pigments are separated into three _________________________ colors-red, blue, & yellow.
35) When light can pass through a transparent object, we say that light has been
__________________________.
36) Light waves are ____________________________ waves.