Sources of Light
Is a flashlight a natural or an artificial source of light?
Artificial: flashlights are created by humans to replicate the light that is produced by fire
True or False: in ancient times, people used the sun to find out what time of day it was
True! People used sundials to tell the time of day
Is a window an example of a Transparent, translucent or opaque object?
Transparent: it allows all the light to pass through and we can clearly see through it
Name a word that rhymes with sun
bun, fun, run, done, won, ton, nun, pun, stun
Name one way you can protect your eyes from the sun
Wearing sunglasses, wearing a hat, squinting, wearing sunscreen on your face, seeking shade
Is lava a natural or an artificial source of light?
Natural: lava not created by humans, it is created by nature
True or False: The size of a shadow ALWAYS stays the same no matter where the source of light is
False: shadows appear larger when they are closer to the source of light because the object is blocking more light
Is wax paper an example of a Transparent, translucent, or opaque object?
translucent: allows some of the light to pass through, we can partially see through it
Name a word that rhymes with light
bright, fright, sight, slight, right
Yes or No: can you get a sunburn on a cloudy day?
Yes, the sun's rays can pass through clouds and haze
Look around the classroom and provide three sources of light
lights, Smart Board, computer, diffuser, salt lamp, Keurig, watches, cell phone
True or False: your eyes can get sun burned
True! If you stare at the sun for too long, you can get a sun burn on your cornea (the protective layer around the eyeball)
Is a book an example of a Transparent, translucent, or opaque object?
Opaque: does not allow any light to pass through, we cannot see through it
Name a word that rhymes with moon
soon, loon, noon, tune, balloon
True or False: it is okay to stare at the sun for less than 30 seconds
FALSE! It is never a good idea to stare at the sun. It can cause temporary or permanent blurriness or loss of vision
Is lightning a natural or an artificial source of light?
Natural: lightning occurs in nature, it is not created by humans
True or False: Transparent objects create shadows.
False: Transparent object allow ALL of the light to pass through, they do not block any light
What types of objects produce shadows: Transparent, translucent, or opaque?
Opaque
Name a word that rhymes with star
car, bar, far, par, tar
Explain why we need to practice sun safety around water, snow, and sand
Because the sun's rays reflect off of these surfaces, so they hit our eyes and skin a second time
Name one example of a bioluminescent animal or insect
Jellyfish, firefly, plankton, angler fish
True or False: staring at a solar eclipse is not bad for your eyes
False: during a solar eclipse most (but not all) of the sun's light is blocked, which can trick our brains into thinking it is safe to stare at the sun
Describe the difference between Transparent, translucent, and opaque objects
Transparent: lets all of the light pass through (we can see clearly through them)
translucent: lets some light pass through (we can partially see through them)
Opaque: does not let any light pass through (we cannot see through them at all)
Name a word that rhymes with fire
tire, hire, sire, dire, wire
What happens to your eyes if you stare at the sun for too long?
You can damage the cells in your eye (retina). This means part of your vision may be blurred out for a period of time.