Light and Shadow
This is what is made when light is blocked by an opaque object.
What is a shadow?
What is a prism?
Your eyes can still recover after looking at the sun for this amount of time.
What is 1-2 seconds?
Light bouncing is called this.
What is reflection?
What is the Aurora Borealis?
What is natural light?
This colour has the fastest wavelength at 700nm/sec.
What is red?
Your eyes will begin to experience permanent damage after looking at the sun for this amount of time.
What is 5-6 seconds?
Light bending is called this.
What is refraction?
This technology uses the sun and shadows to tell the time.
What is a sundial?
A flashlight is an example of this type of light source.
What is artificial light?
This colour has the slowest wavelength at 450nm/sec.
What is violet?
After looking at the sun for 1-2 seconds you will see this in your vision.
What is a black spot?
Light refracts because it slows down when passing through different these.
What is medium?
This type of light will make invisible things glow.
What is UV Light?
Light will keep traveling in this way until it is blocked by something.
What are straight lines?
The order of the colours in a rainbow spell out this person's name.
Who is Roy G. Biv?
Symptoms of permanent eye damage include watery eyes, blurred vision, and this.
What is light sensitivity?
We can see because light does this off of objects and into our eyes.
What is reflects?
We call something this when light can easily pass through it.
What is transparent?
A shadow is shortest when the sun is in this position in the sky.
What is high in the sky?
These three primary colours of light are used in things like tv's, phones, and computer screens.
What are Red, Green, and Yellow?
Permanent eye damage caused by the sun is called this.
This technology uses lenses and mirrors to make faraway things look really close.
What is a telescope?
A refracting telescope uses these two types of lenses to make faraway things look larger.
What are concave and convex?