Flexible bones-cartilage in Movements in Animals – Class 6 Science Experiment

Chapter Name: Movements in Animals

Activity Name: Flexible bones-cartilage in Movements in Animals

Activity Description:

Flexible bones-cartilage in Movements in Animals - Class 6 Science Experiment

The experiment aims to explore the presence of flexible bones made of cartilage in various parts of the human body.

By holding and bending the ear, as well as touching and feeling the tip of the nose, participants can observe the differences in hardness and flexibility between the cartilage and other bones.

Required Items:

  1. Your own body

Step by Step Procedure:

  1. Begin by holding your ear with your fingers and pressing it gently.
  2. Bend your ear slowly and observe how it feels compared to the bones in the rest of your body.
  3. Take note of the flexibility and hardness of the ear cartilage.
  4. Next, touch and feel the tip of your nose.
  5. Pay attention to the texture and consistency of the nose cartilage.
  6. Compare the flexibility and hardness of the cartilage in your nose with other bones in your body.

Experiment Observations:

  1. The cartilage in the ear and nose is more flexible compared to other bones in the body.
  2. When the ear is pressed and bent, it retains its original shape after releasing the pressure.
  3. The tip of the nose feels softer and more pliable than the bones in other body parts.
  4. The cartilage provides a certain amount of support and structure while allowing flexibility.

Precautions:

  1. Handle your ear and nose gently to avoid any discomfort or injury.
  2. Do not exert excessive pressure or force while bending or pressing the ear or nose.
  3. Ensure your hands are clean before touching your face.

Lesson Learnt from Experiment:

The experiment demonstrates the presence of flexible bones made of cartilage in the ear and nose. It highlights that cartilage is not only found in these areas but also in other parts of the skeleton, such as between the ribs and sternum and between the vertebrae of the spinal cord.

The flexible nature of cartilage allows for movement and provides support while maintaining flexibility in these body parts.

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