The student is expected to demonstrate that light travels in a straight
line until it strikes an object or travels through one medium to
another, and demonstrate that light can be reflected, such as the use of
mirrors or other shiny surfaces, and refracted, such as the appearance
of an object when observed through water.
Scholastic StudyJams videos:
Other Links to Check Out:
- Science Kids: Sun, Light, and Shadows
- Science Kids: How We See
- Science Kids: Light and Dark
Vocabulary:
Reflection: Energy waves
bouncing off the surface of an object (mirrors or echoes return energy back to
their source)
Refraction: Energy waves
that bend (change direction and speed) as they pass from one type of object to
another type
Lens: A clear piece of
curved glass or plastic that bends
passing light to focus or spread the light rays
Mirror: Any object that has
a reflective surface
Laser: A device that gives
off a very strong and directed beam of light
Illuminate: Light up
Light Spectrum: The small
part of the electromagnetic spectrum that the human eye can see; violet, blue,
cyan, green, yellow, orange and red
Magnify: Increase in size,
power or importance
Kaleidoscope: A tube that
contains 3 mirrors that reflect many different designs of light passing through
a colored disk on top.
Telescope: An instrument
that uses mirrors and/or lenses to gather and focus light from objects far away
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