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EES 3.1

TermDefinition
Water A clear liquid made of hydrogen and oxygen that is essential for life.
Capillary Action The ability of water to move upward through small spaces.
Cohesion Water molecules sticking to other water molecules.
Adhesion Water molecules sticking to other substances.
Property A characteristic that describes how something looks or behaves.
Polarity When a molecule has slightly positive and negative ends that attract other substances.
Transfer The movement of energy or matter from one place to another.
Energy The ability to cause change, such as heating, moving, or melting something.
Atmosphere The layer of gases that surrounds Earth.
Hydrosphere All the water on Earth, including oceans, rivers, ice, and water vapor.
Climate The average weather of a place over a long period of time.
Convection The movement of heat in liquids or gases where warm material rises and cool material sinks.
Freeze When a liquid changes into a solid because of cooling.
Dissolve When one substance spreads evenly into another substance.
Specific Heat Capacity The amount of energy needed to change the temperature of a substance.
Solid A state of matter with a fixed shape and volume.
Liquid A state of matter with a fixed volume but no fixed shape.
Gas A state of matter with no fixed shape or volume.
Solute The substance that is dissolved in a solution.
Solvent The substance that dissolves the solute.
Solution A mixture where one substance is evenly mixed into another.
Surface Tension The tight surface of water caused by cohesion between water molecules.
Water Cycle The continuous movement of water through evaporation, condensation, and precipitation.
Kelvin Scale A temperature scale used in science that starts at absolute zero.
Absolute Scale A temperature scale that begins at the lowest possible temperature.
Universal Solvent Water, because it can dissolve many substances.
Homogeneous Solution A mixture that looks the same throughout.
Heterogeneous Solution A mixture with different, visible parts.
Examples of a Heterogeneous Solutions Salad, sand in water, oil and water.
Examples of Homogeneous Solutions Salt water, sugar water, air.
Example of Cohesion Water forming droplets on a leaf.
Example of Adhesion Water sticking to the sides of a glass.
Example of Surface Tension A water strider walking on water.
Example of Capillary Action Water moving up a plant’s stem.
Created by: user-1906169
 

 



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