Search Results for light - All Grades

609 questions match "light" across multiple grade levels.

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Grade 5 :: Sound and Light by smitty6310
What is Light Energy?
  • Light Energy travels in waves, such as the light from our stars.
Grade 9 :: Universe by der1228
What is a light year?
  • The distance that light travels in one year.
Grade 4 :: Capitalization and Punctuation by cbodnar1567
Write the title correctly.

light in the attic by Shel Silverstein
  1. No changes
  2. Light In the Attic
  3. Light In The Attic
  4. Light in the Attic
Grade 4 :: Sound and Light by Bowerbank
What is a light beam made up of?
  • A light beam is made up of many light rays.
College :: Lab Practices and Tools by aem492
Light microscopes                                                                       
  1. can generally magnify objects at 10,000 times without blurring
  2. typically provide higher resolution than an electron microscope
  3. work by reflecting electrons of the surface of an object being studied
  4. use light and glass lenses to magnify the image of an object
  5. are generally not used to view eukaryotic cells
Grade 9 :: Sound and Light by der1228
Which is the best description of the nature of light.
  1. Light always behaves like waves.
  2. Light always behaves like particles.
  3. Light sometimes behaves like waves and at other times like particles.
  4. Light never behaves like either waves or particles.
College :: Sound and Light by shanda2133
Light and RF signals are different in that
  1. light carries less information over fiber than RF can over coax
  2. light is unaffected by interference from lightning or other electrical sources, whereas RF is highly susceptible to these factors
  3. light causes interference with other signals within the cable, but RF does not.
  4. light frequencies are measured to hertz, but radio frequencies are measured in wavelengths.
Grade 2 :: Sound and Light by sdecuir
Light moves
  1. horizonal
  2. in a straight line
  3. vertical
  4. zig-zag
Grade 12 :: Sound and Light by KnecoleB
Define light.
  • a similar form of radiant energy that does not affect the retina
Grade 4 :: Sound and Light by Bowerbank
A light ray is:
  1. A thick band of energy.
  2. A thin band of energy.
  3. Molecules in a line.
Grade 4 :: Sound and Light by Ureesha
Light is a form of
  1. matter
  2. gas
  3. energy
Grade 4 :: Sound and Light by michelez4
To take in light
  1. reflect
  2. absorb
  3. refract
  4. shadow
Grade 6 :: Vocabulary by shelleygeorge
to give light to:
  1. perplex
  2. reverence
  3. defiance
  4. illuminate
Grade 6 :: Vocabulary by shelleygeorge
blocking light:
  1. flourish
  2. opaque
  3. ransack
  4. texture
Grade 5 :: Universe by knappers
What is the distance light travels in 365 days?
  1. fast
  2. orbit
  3. light year
  4. meteor
Grade 8 :: Sound and Light by jlovering
Explain the difference between the way an incandescent light bulb generates light and a fluorescent light bulb generates light. Why would a fluorescent light bulb be more efficient?
  • An incandescent light bulb uses electricity to generate heat in a filament which produces light. A fluorescent light bulb passes electricity through mercury gas which generates ultraviolet light. The ultraviolet light passes through phosphor on the inside of the bulb which turns it to visible light. The fluorescent bulb does not waste energy creating heat.
Grade 9 :: Universe by cbradford1018
The distance that light travels in one year is a(n)
  1. parsec
  2. constant, c
  3. light-year
  4. astronomical unit
Grade 9 :: Stars by der1228
When a light source approaches an observer its                     
  1. pitch becomes lower
  2. pitch becomes higher
  3. light becomes bluer
  4. light becomes redder
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