Can you give me metaphor for ice cube please?

What is the LLR? Why water comes more slowly from upstairs tap than the similar tap downstais? Which scientist discovered that cathode rays are made up of negatively charged particles? What happens to polypeptide chains after translation? Is earth's surface all one piece? What contaminants were found in the surface water samples? Will the US be a cashless sociaty? What does the mass defect of a nuclide represent? What burst out of volcano? Why the equilibrium is established only when the vessel is closed? Blood protein that maintains the proper proportion and concentration of water in blood? What organs pick up slack? What planets are made of rock and gas? How is light produced in an atom steps? What materials use Ac and DC? What are things that can be seen or touched? How can you identify protists? What lies at the center of an atom? What would you do to tell quartz from diamand? Why are lighter elements used in fusion reactions?