Terms & Definitions - Module 26
Match the following definitions (or descriptions) to the terms listed below them.
  1. Light passes through this material without being absorbed.
    1. Electromagnetic wave
    2. Electromagnetic spectrum
    3. Transparent =====
    4. Opaque
    5. Shadow
    6. Umbra
    7. Penumbra
    8. Solar eclipse
    9. Lunar eclipse

  2. The range of electromagnetic waves, ranging from radio waves to infrared to visible to ultraviolet to X-rays to gamma rays.
    1. Electromagnetic wave
    2. Electromagnetic spectrum =====
    3. Transparent
    4. Opaque
    5. Shadow
    6. Umbra
    7. Penumbra
    8. Solar eclipse
    9. Lunar eclipse

  3. No light can pass through this material. The light is absorbed or reflected rather than transmitted.
    1. Electromagnetic wave
    2. Electromagnetic spectrum
    3. Transparent
    4. Opaque =====
    5. Shadow
    6. Umbra
    7. Penumbra
    8. Solar eclipse
    9. Lunar eclipse

  4. An oscillating electric charge emits a wave with oscillating electric and magnetic fields.
    1. Electromagnetic wave =====
    2. Electromagnetic spectrum
    3. Transparent
    4. Opaque
    5. Shadow
    6. Umbra
    7. Penumbra
    8. Solar eclipse
    9. Lunar eclipse

  5. A darker region that appears when an object blocks the path of rays of light.
    1. Electromagnetic wave
    2. Electromagnetic spectrum
    3. Transparent
    4. Opaque
    5. Shadow =====
    6. Umbra
    7. Penumbra
    8. Solar eclipse
    9. Lunar eclipse

  6. The shadow of the earth falls on the moon, so the moon is obscured.
    1. Electromagnetic wave
    2. Electromagnetic spectrum
    3. Transparent
    4. Opaque
    5. Shadow
    6. Umbra
    7. Penumbra
    8. Solar eclipse
    9. Lunar eclipse =====

  7. The moon's shadow falls on the earth, so the sun is only partially visible.
    1. Electromagnetic wave
    2. Electromagnetic spectrum
    3. Transparent
    4. Opaque
    5. Shadow
    6. Umbra
    7. Penumbra
    8. Solar eclipse =====
    9. Lunar eclipse

  8. All of the light is blocked from this region, resulting in the darkest part of a shadow.
    1. Electromagnetic wave
    2. Electromagnetic spectrum
    3. Transparent
    4. Opaque
    5. Shadow
    6. Umbra =====
    7. Penumbra
    8. Solar eclipse
    9. Lunar eclipse

  9. Only part of the light is blocked from this region, resulting in a lighter region within a shadow.
    1. Electromagnetic wave
    2. Electromagnetic spectrum
    3. Transparent
    4. Opaque
    5. Shadow
    6. Umbra
    7. Penumbra =====
    8. Solar eclipse
    9. Lunar eclipse


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