Which item in the photo is a good thermal insulator and why A. the plastic handle because it’s electrons don’t move freely
B. the cut vegetables because they contain a lot of water
C. The metal pan, because it’s electrons move quite freely
D. Human skin because it is made up mostly of water

Asubstance is held in an open container. its particles move past one another at random speeds but do not leave the container. heat is removed from the system, and the particles slow down. when enough heat is removed, the particles no longer have enough speed to overcome the weak attractive forces between them. when this happens, the substance enters its solid state. the process described above is known as .