A solid has a fixed shape ✅.
Its shape does not depend on the container that holds it.
Its volume does not change when pressure increases : it is incompressible.
A solid has a fixed shape ✅.
Its shape does not depend on the container that holds it.
Its volume does not change when pressure increases : it is incompressible.
A liquid does not have a fixed shape.
It takes the shape of its container.
Its volume does not change when pressure increases : it is incompressible.
Its surface in contact with air is called the free surface.
Even if the container is tilted, the free surface of a resting liquid remains horizontal 🧭.
A gas has no fixed shape.
It fills all the available space.
It is compressible and expandable.
Its volume can decrease or increase when pressure is changed.
💡 Ready to test your knowledge?