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NathalieGambrell 3.1

QuestionAnswer
Water A polar molecule (H₂O) with unique properties caused by hydrogen bonding.
Capillary Action The upward movement of water in narrow tubes caused by adhesion to surfaces and cohesion between water molecules.
Cohesion The attraction between water molecules due to hydrogen bonds.
Adhesion The attraction between water molecules and other materials or surfaces.
Property A characteristic of a substance that helps describe or identify it.
Polarity When a molecule has uneven charge distribution, creating positive and negative ends.
Transfer The movement of matter or energy from one location to another.
Atmosphere The layers of gases surrounding Earth, important for weather and climate regulation.
Hydrosphere All the water on Earth, including oceans, lakes, rivers, groundwater, and water vapor.
Climate The long-term patterns of temperature, precipitation, and weather in a region.
Convection The transfer of heat by the movement of fluids (liquids or gases) caused by differences in density.
Freeze The process where a liquid loses energy and becomes a solid.
Dissolve When the particles of a solute break apart and spread evenly throughout a solvent.
Specific heat capacity The amount of heat energy needed to raise the temperature of one unit of a substance by one degree.
Solid A state of matter with tightly packed particles that keep a fixed shape and volume
Liquid A state of matter with particles that are close but able to move, giving it a fixed volume but no fixed shape.
Gas A state of matter with widely spaced particles that have no fixed shape or volume.
Solute The substance that is dissolved in a solution.
Solvent The substance that dissolves the solute, forming a solution (water is most common).
Solution A homogeneous mixture where the solute is evenly distributed within the solvent.
Surface Tension The strong “film” on the surface of water caused by cohesive forces between its molecules.
Water Cycle The continuous movement of water through evaporation, condensation, precipitation, and collection.
Kelvin Scale A temperature scale beginning at absolute zero, used in scientific measurement.
Absolute Scale A scale that starts at a true zero point where no thermal energy remains (e.g., Kelvin).
Universal Solvent A term for water because its polarity allows it to dissolve many substances.
Homogeneous Solution A mixture that is uniform throughout, with solute and solvent evenly mixed.
Heterogeneous Solution A mixture where the components are not evenly mixed and can be visibly different.
Energy The ability to cause change or perform work in physical systems.
Created by: user-1996990
 

 



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