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