Light 1
Light travels in a __________ line.
Light travels in a straight line.
What does it mean if an object is translucent?
It allows some light to pass through it.
Is not a light source even though it seems like one.
What is the moon?
Name two sources of light
sun, firefly, etc.
This type of lens makes the light rays diverge (spread apart).
What is Concave?
Name a transparent material
Ex: Glass, windows, etc
Name a translucent material
Ex: tissue paper, wax paper, etc.
What does ROYGBIV stand for (each letter)?
The colors of the rainbow: red, orange, yellow, green, blue, indigo, violet
or Visible Light spectrum
___________is a form of energy that we can see.
Light is a form of energy that we can see.
Explain what happens to light when it hits a black object.
When an object absorbs all the colors, it will appear black.
If I shine my flashlight on my desk, what will happen?
The light will be absorbed into the desk because it is opaque.
A material that does allow light to pass through is called __________.
A material that does allow light to pass through is called transparent.
True or false: raindrops are prisms
true
When light strikes a(n) _____________ object, a shadow forms.
When light strikes a(n) opaque object, a shadow forms.
What is the difference between natural and artificial light?
Natural light is light that is generated naturally (like the sun). Artificial light is light that is man-made (like a light bulb).
A sensor in the body that processes light. It acts like a lens.
What is the Eye
A material that does not allow light to pass through is called ____________
A material that does not allow light to pass through is called opaque.
When light hits wood it _____________
Scatters
If I shine my flashlight on a clear window what will happen?
The light will pass through the glass because it is transparent.
About 8 minutes.
About how long light takes to reach Earth from the Sun.
A convex lens does what to the light rays
What is bends the light to come together or converge
What does it mean when an object is transparent?
The ray of light that hits the surface is the _________ ray.
incident or incedence
___________ allows objects to be seen that do not product their own light.
Reflection allows objects to be seen that do not product their own light.
True or false: when an object absorbs all the colors it appears white.
True or false: when an object absorbs all the colors it appears white. False, it’s black.