0
Are eyes have dark blood and when light shines on it makes the blood turn light which let's us see.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
What does an object need to do for you to see it?
reflect light
What do you need to see a shadow?
you need eyes a blocked path a light source. the light shines on the object blocking the path and reflects on the ground behind the objet and that is what you need to see a shadow
Why can't you read a book in a dark room?
Because in order to see you need light. You need light because light reflects off things and bonuses back to your eyes, and that's how you see things. So if thare isn't any light in a dark room then light can't bonuse back and you can't see the words.
What is the name of the property of light that humans need to see most things?
Reflection
What is the purpose of light in a circuit?
None. A circuit does not need a light but in school experiments it is and easy way to see if the circuit is working.
Can you see colors without the light?
no because you need light to see
Do beavers need light too see?
to see with their eyes they do
What does an object need to do for you to see it?
reflect light
Why do you need light in everyday life?
to see
Can you see black light tattoos without a black light?
Very vaguely, but you need a black light to see it to its full effect.
Why do people need the light bulb?
We need the light bulb because we can never see without it, the police and ambulance need it for emergency lights, the surgeons need it for surgery lights, the mechanics and builders need it to look in dark places and we need to see properly.
What do you need to see a shadow?
you need eyes a blocked path a light source. the light shines on the object blocking the path and reflects on the ground behind the objet and that is what you need to see a shadow
Do most objects you see make their own light?
No. Most objects you see need to be shined on by a source of light, otherwise you don't see them.
Can you see a actin through a light microscope?
No, you need a florescent microscope to see that.
Why do you need lightbulbs?
we need light bulbs so we can see in dark rooms.
Why can't you read a book in a dark room?
Because in order to see you need light. You need light because light reflects off things and bonuses back to your eyes, and that's how you see things. So if thare isn't any light in a dark room then light can't bonuse back and you can't see the words.
What kind of energy do you need in order to see?
light waves
