Yes.
Yes.
yes
they expand
Because heat makes plastic expand in hot water.
because the particles
Most substances expand when heated.
expand
When heated, most substances expand due to the increase in kinetic energy of their atoms or molecules. This leads to an increase in the average distance between the particles, causing the substance to expand.
Expand- Hot Contrast- Cold
yes
expand
No, although it does expand with heat as do most substances.