Water States

Question What are the three common states of water? tap to flip ↻ Answer Solid (ice), liquid (water), and gas (water vapour). Question What is the process called when a solid changes directly to a gas without becoming a liquid? tap to flip ↻ Answer Sublimation. Question What is the process called when a gas changes directly to a solid? tap to flip ↻ Answer Deposition. Question What is the process called when a liquid changes to a gas? tap to flip ↻ Answer Evaporation (or vaporization). Question What is the process called when a gas changes to a liquid? tap to flip ↻ Answer Condensation. Question What is the process called when a solid changes to a liquid? tap to flip ↻ Answer Melting (or fusion). Question What is the process called when a liquid changes to a solid? tap to flip ↻ Answer Freezing (or solidification). Question What is the boiling point of water at standard atmospheric pressure? tap to flip ↻ Answer $100^\circ\text{C}$ (212°F). Question What is the freezing point of water at standard atmospheric pressure? tap to flip ↻ Answer $0^\circ\text{C}$ (32°F). Question What is the chemical formula for water? tap to flip ↻ Answer $\text{H}_2\text{O}$ Question What is the name of the phase change from gas to plasma? tap to flip ↻ Answer Ionization. Question What is the name of the phase change from plasma to gas? tap to flip ↻ Answer Recombination (or deionization). Question What is the fourth state of matter, distinct from solid, liquid, and gas? tap to flip ↻ Answer Plasma. Question What is the process called when a substance changes from one state to another? tap to flip ↻ Answer Phase change (or change of state). Question What is the energy required to change a substance from solid to liquid at its melting point called? tap to flip ↻ Answer Latent heat of fusion. Question What is the energy required to change a substance from liquid to gas at its boiling point called? tap to flip ↻ Answer Latent heat of vaporization. Question What happens to the temperature of a substance during a phase change? tap to flip ↻ Answer It remains constant. Question What is the term for the amount of water vapour in the air? tap to flip ↻ Answer Humidity. Question What is the process called when water vapour in the air turns into liquid water droplets? tap to flip ↻ Answer Condensation. Question What is the process called when water from plants enters the atmosphere as vapour? tap to flip ↻ Answer Transpiration. Question What is the continuous movement of water on, above, and below the Earth's surface called? tap to flip ↻ Answer The water cycle (hydrologic cycle). Question What is the process called when water falls from clouds as rain, snow, sleet, or hail? tap to flip ↻ Answer Precipitation. Question What is the name of the state change from liquid to gas that occurs at the surface of a liquid? tap to flip ↻ Answer Evaporation. Question What is the name of the state change from liquid to gas that occurs throughout the liquid at its boiling point? tap to flip ↻ Answer Boiling (or ebullition). Question What is the term for a solid that has a regular, repeating arrangement of atoms or molecules? tap to flip ↻ Answer Crystalline solid. Question What is the term for a solid that lacks a regular, repeating arrangement? tap to flip ↻ Answer Amorphous solid. Question What is the name of the temperature at which a liquid's vapour pressure equals the external pressure? tap to flip ↻ Answer Boiling point. Question What is the name of the temperature at which a solid becomes a liquid? tap to flip ↻ Answer Melting point. Question What is the term for the pressure exerted by a vapour in equilibrium with its liquid? tap to flip ↻ Answer Vapour pressure. Question What is the name of the process where a liquid changes to a gas at a temperature below its boiling point? tap to flip ↻ Answer Evaporation. Question What is the name of the process where a gas changes to a liquid at a temperature below its boiling point? tap to flip ↻ Answer Condensation. Question What is the term for the amount of heat required to raise the temperature of 1 gram of water by 1°C? tap to flip ↻ Answer 1 calorie (or 4.184 joules). Question What is the name of the phase change from solid to gas? tap to flip ↻ Answer Sublimation. Question What is the name of the phase change from gas to solid? tap to flip ↻ Answer Deposition. Question What is the name of the phase change from liquid to solid? tap to flip ↻ Answer Freezing. Question What is the name of the phase change from solid to liquid? tap to flip ↻ Answer Melting. Question What is the name of the phase change from gas to liquid? tap to flip ↻ Answer Condensation. Question What is the name of the phase change from liquid to gas? tap to flip ↻ Answer Evaporation (or vaporization). Question What is the term for the state of matter that has a definite shape and volume? tap to flip ↻ Answer Solid. Question What is the term for the state of matter that has a definite volume but no definite shape? tap to flip ↻ Answer Liquid. Question What is the term for the state of matter that has no definite shape or volume? tap to flip ↻ Answer Gas. Question What is the term for the state of matter consisting of ionized gas? tap to flip ↻ Answer Plasma. Question What is the name of the process where a solid turns directly into a gas? tap to flip ↻ Answer Sublimation. Question What is the name of the process where a gas turns directly into a solid? tap to flip ↻ Answer Deposition. Question What is the term for the heat energy absorbed or released during a phase change? tap to flip ↻ Answer Latent heat. Question What is the name of the phase change from liquid to gas that occurs at the boiling point? tap to flip ↻ Answer Vaporization (or boiling). Question What is the name of the phase change from gas to liquid? tap to flip ↻ Answer Condensation. Question What is the name of the phase change from solid to liquid? tap to flip ↻ Answer Melting. Question What is the name of the phase change from liquid to solid? tap to flip ↻ Answer Freezing. Question What is the name of the phase change from solid to gas? tap to flip ↻ Answer Sublimation. Question What is the name of the phase change from gas to solid? tap to flip ↻ Answer Deposition.