Activity 1.10 Science Class 9

 Activity 1.10 Science Class 9 Chapter 1 Matter In Our Surroundings

activity 1.10 class 9 scienceBrief procedure:

Activity 1.10 asks us to takes various liquids and observe their shape and volume with different containers.

  • Liquids lost their shape when spilled on the floor.
  • Transferring liquid to different vessel does not change the volume. However the shape of liquid changes as per container design.
  • Yes it flows easily while transferring to another container
  • The liquid does not have any shape, so, when spilled it flows and loses its own shape.
  • The volume of liquid does not change while transferring. So, when we transfer liquid from one container to another both the container have same volume of water.
 Activity 1.10 Science Class 9
Water molecules in a container are in continuous motion, As a result they do not have own shape and flow easily.

Molecules of a liquid are tied with each other by a weaker force of attraction. Molecules inside liquid rearrange their position, so a whole liquid does not show any fixed shape and flows easily. The walls of the container act as a barrier to the arrangement. As a result, a liquid takes the shape of the container.

The volume of a liquid depends on the total number of its constituent molecules and the distance between them. It remains the same at a fixed temperature. As a result, when we transfer a fixed volume of a liquid to a different container, the volume of the liquid remains unchanged.


This experiment demonstrates that liquids have fixed volume but does not have its own shape

Next: Experiment to demonstrate gases are compressible: Activity 1.11.

See also: The shape and sizes of various solids: Activity 1.9.


Activity 1.10 Science Class 9

Ref: Chapter 1 NCERT.

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