Sources of Light
How can you tell that something is an artificial source of light?
It is a man-made object.
Reflection is when light does what?
Bounces off an object.
What are the colours in the rainbow?
Red, orange, yellow, green, blue, indigo, violet.
Transparent objects allow _______ light through.
All.
How do shadows happen?
An object blocks the light.
How can you tell that something is a natural source of light?
It is not man-made and exists naturally in the world.
What happens to light when it is refracted?
It bends.
Are colour and light the same thing? Explain your answer.
Yes! Colour is light separated into it's different light waves.
Opaque objects allow _______ light through.
No.
What types of materials create shadows?
Translucent and opaque.
Is a candle a natural or artificial source of light?
Artificial.
We don't see objects, we see light ________.
What happens to white light when it goes through a prism?
It splits into the different colours of the rainbow.
Translucent objects allow _______ light through.
Some.
If a light source is close to the object, the shadow will be ________.
Big.
What is the word for animals that can make their own light?
Bioluminescent.
Does a safety vest reflect, refract, absorb, or emit light?
Reflect.
What happens when coloured light goes through a prism?
It turns back into white light.
What two things help us figure out if an object is transparent, translucent, or opaque?
1. If you can see through the object.
2. How much light comes through the object.
If a light source is above to the object, the shadow will be ________.
Short.
What is the difference between emitting light and reflecting light?
Emitting is when something gives off it's own light. Reflecting is when it bounces light from something else.
What happens to light when it is absorbed?
It is taken in by the object.
Why do we see certain objects as certain colours?
When we see a green object, it is because only the green light wave is reflecting back to us. The other colours are being absorbed by the object.
Is your finger transparent, translucent, or opaque?
Translucent. You can't see through it, but some light can shine through.
Which of these objects will have the darkest shadow: Tucker, a glass of water, or a white piece of paper?
Tucker!