Do the gases have a definite shape and a fixed volume ? in Matter Around Us – Class 9 Science Experiment

Chapter Name: Matter Around Us

Activity Name: Do the gases have a definite shape and a fixed volume ? in Matter Around Us

Activity Description:

Do the gases have a definite shape and a fixed volume ? in Matter Around Us - Class 9 Science Experiment

This activity involves observing the properties of Compressed Natural Gas (CNG) to determine if gases have a definite shape and fixed volume.

Required Items:

  1. Access to a petrol pump, CNG-run vehicle, and observation skills.

Step by Step Procedure:

  1. Visit a petrol pump and inquire about the storage location of CNG.
  2. Observe the storage system of CNG in a CNG-run vehicle.
  3. Note the process of transferring CNG from the pump to vehicles.

Experiment Observations:

  1. CNG is stored in high-pressure cylinders at the petrol pump.
  2. CNG-run vehicles have special tanks to store the compressed gas.
  3. CNG is transferred from the pump to vehicles through appropriate mechanisms.

Precautions:

  1. Follow all safety guidelines and regulations at the petrol pump.
  2. Stay at a safe distance from any hazardous equipment or procedures.

Lesson Learnt from Experiment:

Based on the observations from the activity and our daily life experiences, it can be concluded that CNG and all other gases do not have a fixed shape or volume. They take the shape of their container and can expand or contract to fill the available space accordingly.

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