Bernard Nebel

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- Communication over long distances
  Started by: Bernard Nebel in: Lesson C-2. Sound, Vibrations, and Energy
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- 7 years, 2 months ago
  Bernard Nebel
- Communication over long distances
  Started by: Bernard Nebel in: Communication over long distances
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- 1
- 7 years, 2 months ago
  Bernard Nebel
- Sending messages without voice
  Started by: Bernard Nebel in: Sending messages without voice
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- 1
- 7 years, 2 months ago
  Bernard Nebel
- Make a tin can telephone
  Started by: Bernard Nebel in: Lesson C-2. Sound, Vibrations, and Energy
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- 1
- 7 years, 2 months ago
  Bernard Nebel
- Demonstration of vibrations using tuning forks
  Started by: Bernard Nebel in: Lesson C-2. Sound, Vibrations, and Energy
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- 1
- 7 years, 2 months ago
  Bernard Nebel
- How we make vocal sounds
  Started by: Bernard Nebel in: Lesson C-2. Sound, Vibrations, and Energy
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- 1
- 7 years, 2 months ago
  Bernard Nebel
- Muscles of the human body
  Started by: Bernard Nebel in: Lesson B-6. How Animals Move I: The Skeleton and Muscle System
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- 1
- 7 years, 4 months ago
  Bernard Nebel
- Movement of the vertebrate skeleton
  Started by: Bernard Nebel in: Lesson B-6. How Animals Move I: The Skeleton and Muscle System
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- 1
- 7 years, 4 months ago
  Bernard Nebel
- Theme of Lesson–Survival Depends on Adaptation
  Started by: Bernard Nebel in: Lesson B-5A. Adaptations and Survival
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- 1
- 7 years, 4 months ago
  Bernard Nebel
- Invasive species, endangered species
  Started by: Bernard Nebel in: Lesson B-5. Concepts of Adaptations, Food Chains, and Energy Flow
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- 1
- 7 years, 4 months ago
  Bernard Nebel
- What is a species?
  Started by: Bernard Nebel in: Lesson B-4B. What is a Species?
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- 1
- 7 years, 4 months ago
  Bernard Nebel
- Variation among litter mates
  Started by: Bernard Nebel in: Lesson B-4. Life Cycles
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- 1
- 7 years, 4 months ago
  Bernard Nebel

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