a. Compare the properties of solids, liquids and gases in tabular form.
b. Give two reasons for saying that wood is a solid.
(a).
Solid | Liquid | Gas |
A solid is a kind of substance with structural rigidity and a firm shape that cannot be easily modified. | A liquid is a substance that flows freely and has a defined volume but no fixed structure. | Gas is a condition of stuff that has no shape but conforms to the geometry of the container in which it is placed. |
Solid has a fixed shape and volume. | Liquid has no fixed shape but has volume. | Gas has neither definite shape nor volume. |
Solid cannot flow | Liquid flows from higher to lower levels. | Gas flows in all directions. |
Solid doesn't need a container, for storage. | Liquid cannot be stored without a container. | Gas needs a closed container for storage. |
(b).
The two reasons for saying that wood is a solid are the following: