Question

• Let us stretch a rubber band. Is there a
change in its shape?
• Is rubber band solid or liquid? Why?
(What will happen if the stretching is
stopped ? What will happen if the
stretching is too much?)
Take some finely powdered salt (not
crystals) and keep it in two different jars.
• Which shape does the powdered salt take?
• Can you say that salt is a liquid on the basis
of change in its shape? Justify your answer.
Take a sponge. Observe its shape.
• Can you compress it? Is it a soild? Why?
Think. Is anything coming out from the
sponge when it is compressed.
• Why can't you able to compress a​

Answer 1

Answer:

• Change in shape
• Solid. If band is streched too mich it will break.
• Shape of crystals due moisture of the air.
• No , because many particles of salt have stuck together to form crystals.
• A sponge is a solid and it can be compressed. When a sponge is compressed air is squeezed out of it.