S2+The+Electromagnetic+Spectrum+and+Light


 * Notes**


 * 18.1 Electromagnetic Waves**

__Objectives__:

1. Describe the characteristics of electromagnetic waves in a vacuum and how Michelson measured the speed of light. 2. Calculate the wavelength and frequency of an electromagnetic wave given its speed. 3. Describe the evidence for the dual nature of electromagnetic radiation. 4. Describe how the intensity of light changes with distance from a light source.


 * 18.2 The Electromagnetic Spectrum**

__Objectives__:

1. Rank and classify electromagnetic waves based on their frequencies and wavelengths. 2. Describe the uses form different waves of the electromagnetic spectrum.


 * 18.3 Behavior of Light**

__Objectives__:

1. Classify materials as transparent, translucent, or opaque to visible light. 2. Describe what happens when light is reflected, refracted, polarized or scattered.


 * 18.4 Color**

__Objectives__:

1. Explain how a prism disperses white light into different colors. 2. Analyze factors that determine the color of an object. 3. Distinguish among primary, secondary, and complementary colors of light and of pigments.


 * 18.5 Sources of Light**

__Objectives__:

1. Explain how light is produced by common sources of light. 2. Describe the uses of different light sources. 3. Distinguish lasers from other light sources.