natural sources of light
is coal a artificial source of light??????
No!Coal is not made by a humans its comes from the earth!!!
you can protect your eyes by wearing sunglasses?
Yes!
name four ways light behaves!
straight line,transmitted, reflects, refracts!
does an angler fish create light?
Yes!
what are blue light glasses?
blue light glasses are something safe to wear when you are always on a screen!
are old school candescent bulbs expensive?
Yes plus it uses lots of energy!
is jellyfish a artificial light source?
No! they glow!
Eyes can be damaged with long exposure to light?
Yes!you don't realise that your eyes arre blinking because there is to much light in your eye!
what light is cheap to run
LED lights!
street lights are natural sources of light!
No! humans created street lights!
What are welders glasses?
Something welders use to avoid getting glas shards in there eye If they get that in there eye they could become blind!
what light is VERY dangerous!!
Lasers! Because it can burn though objects!
is the sun, lava and fire natural?
Yes! No humans make all of the above!
eyes have nerve endings?
No! that is why you should wear sun glasses when out side or if you dont you could become permanently blind!
gas that glows
flores bulbs!