LIGHTRead each slide.
Look at each picture.
Answer each question.
Light comes from the sun.
The sun’s rays pass through the atmosphere and give us
light.
Light comes from light bulbs.
We can work and play at night because of light bulbs.
The light passes through the glass and illuminates our
world.
Light can pass through our atmosphere and the clear
glass that surrounds a
light bulb,
but light can not pass through everything.
Light can not pass through wood.
Light can not pass through rock.
Light can not pass through metal.
Light can pass through glass.
Windows are made of glass to let in the light.
Windows are transparenttransparent.
That means they are easy to see through.
The word transtrans means through and the word
parensparens means
to appear.
The word transparenttransparent means to appear through.
This canoe is transparenttransparent.
You can see right through it.
Some items are translucenttranslucent.
TransTrans means through and lucerelucere means to shine.
The word translucenttranslucent means
to shine through.
You can see though translucenttranslucent glass, but what
you see is fuzzy.
Other objects may be opaqueopaque.
OpaqueOpaque objects can not be seen through.
OpaqueOpaque means to shade.
These glass beads are opaqueopaque.
Light shines upon us from
the sun.
Light shines upon us from electric bulbs.
Light lets us work and play.
Light shines clearly through transparenttransparent objects.
Light shines through translucenttranslucent objects, but they look fuzzy and
unclear to us.
Light can not shine through opaqueopaque objects.
The light can not pass through for us to see.
Transparent = clearTranslucent = fuzzyOpaque = shaded
LIGHT QUIZ
1. Name two things light can pass through.
_______________ and _____________
2. Name two things light can’t pass through.
_______________ and _____________
3. Transparent means ________________
4. Translucent means ________________
5. Opaque means ___________________