Module: Light Reflection
DCI: PS4.B Electromagnetic Radiation – An object can be seen when
light reflected from its surface enters the eyes.
PE: 4-PS4-2 Develop a model to describe that light reflecting from
objects and entering the eye allows objects to be seen.
[Assessment
Boundary: Assessment does not include knowledge of specific colors reflected
and seen, the cellular mechanisms of vision, or how the retina works.]
The ideas that we see here are:
- we can see objects only when light is present
- light is reflected from the surface of the object and enters our eyes
Possible Question Starters:
"An object can be seen when light is - "
correct answer - reflected off the surface of that object
incorrect answer - allowed to pass through the object
"An object can only be seen if -"
correct answer - there is light present
incorrect answer - the object is bigger than our eyes
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