Energy: Light


Essential Question(s)

What is light energy?

How do light and matter interact?

Content Learning Targets

  • Understand light waves travel in a straight line
  • Know sources of light
  • Understand that waves behave differently in a different media (water, a wall, atmosphere, a vacuum)
  • Understand the development and use of optical tools (eyeglasses, magnifying lenses)
  • Understand light energy travels in a straight line but may be refracted or reflected
  • Know:
    • Spectrum of Colors (ROYGBIV)
  • Energy and matter interact:
    • dark colors may absorb light
    • light colors may reflect light
  • Humans utilize interactions between matter and energy:
    • light to electrical (solar-powered calculator)
    • light to heat (sun's energy
    • heat to light